Ancient Coin Value Guide
Kinzer Ancient Coin
Value Guide
A growing ancient Roman coin market-reference series built from certified, fixed-price retail, and buyer-inclusive auction evidence. Books I–VII are live now, spanning Augustus through the Severan Dynasty and the later imperial volumes already published.
A baseline for a market with
a lot of unknowns
Many American collectors grew up using references such as the Red Book or Beckett to understand approximate value ranges. Ancient coins are different: no two examples are truly identical, and condition, rarity, mint, surfaces, provenance, denomination and collector demand can all change the price.
As collectors and dealers, we want to see the hobby grow. This project organizes certified, retail and auction evidence without pretending they are the same market.
How This Guide Was Built
This is not a fixed-price catalog and it is not based on a single automated estimate. The seven-book series was assembled from source-auditable market evidence, with certified, fixed-price retail, and auction data kept separate so collectors can compare like with like.
Where auction evidence is used, the headline acquisition figure is the hammer price plus the mandatory buyer premium for that exact sale. No blanket buyer-premium percentage is applied across venues.
Current dealer asks are recorded separately from realized auction results. Sold dealer listings may provide historical context, but they are not mixed into the current retail snapshot.
Certified comparisons are grade-specific where the evidence supports them. A slabbed XF, a raw dealer coin, and an average auction coin are not treated as interchangeable observations.
Small samples, repeated specimens, source concentration, and unusually wide price dispersion lower confidence. The guide does not force a neat range when the evidence does not support one.
Exceptional provenance, rare varieties, unusual mint errors, restoration, tooling, or specialist die states are separated from ordinary-market benchmarks when they would distort the comparison.
The full research edition preserves auction references, retail observations, methodology notes, confidence labels, and specialist-market context so the numbers can be checked rather than accepted on faith.
Prepared by Kinzer Coins. Market evidence is a dated research snapshot, not a guarantee of future value.
Read the market in the
right order
Because NGC grade narrows the comparison, slabbed evidence is shown first whenever a meaningful exact-grade comparison exists.
Retail tells you what comparable raw inventory costs to buy now without waiting for an auction.
Auction shows buyer-inclusive acquisition cost: hammer plus the mandatory buyer premium for that exact sale.
A slabbed XF, a raw dealer coin, and an average raw auction coin are not automatically equivalent. The guide keeps them visibly separate.
Quick Price Reference
Current Book I website reference synchronized to the live Kinzer Ancient Coin Value Guide methodology. Certified / Slabbed, Current Fixed-Price Retail, and Raw Auction evidence are kept separate. Guide Orientation is labeled separately and is not presented as transaction evidence. Buyer-inclusive auction figures are identified as such; hammer-only figures remain hammer-only.
Gordian I
Gordian II
Pupienus
Balbinus
Gordian III
Philip I
Philip II
Trajan Decius
Hostilian
Trebonianus Gallus
Volusian
Valerian I
Gallienus
Salonina
Claudius II
Quintillus
Aurelian
Severina
Tacitus
Florian
Probus
Carus
Numerian
Carinus
Postumus
Herennius Etruscus
Aemilian
Quick Price Reference
Book II follows the same three-part market view as Book I: certified first, current fixed-price raw retail second, and buyer-inclusive raw auction evidence third. Where political status, reverse family, module or specialist variety creates a separate market, those distinctions remain visible inside the card instead of being collapsed into a misleading ruler-wide average.
Book II retail observations were checked primarily September 19–20, 2026. Certified exact-grade results, fixed-price retail, and raw auction evidence remain separate evidence classes. Thin markets are labeled rather than forced into synthetic medians.
Quick Price Reference
Book III uses the same evidence hierarchy as Books I and II, but the market becomes progressively thinner. Established markets use practical benchmarks; Thin and Specialist Only rulers use exact observations rather than artificial ranges.
Book III research cutoff: September 20, 2026. Raw retail, certified transactions, and auction results remain separate evidence classes.
Quick Price Reference
Book IV follows the same website hierarchy as the rest of the series: certified/slabbed evidence first, current fixed-price retail second, raw auction or market evidence third, then an availability or market note. The hub uses one representative market per chapter; the dedicated Book IV page and full PDF retain additional type-specific markets.
Augustus
Marcus Agrippa
Livia / Julia Augusta
Gaius & Lucius Caesars
Tiberius
Drusus the Younger
Germanicus
Agrippina the Elder
Caligula
Claudius
Antonia
Agrippina the Younger
Britannicus
Nero
Quick Price Reference
Across the series, certified/slabbed evidence, current fixed-price retail, and raw auction results are kept separate. Editorial guide orientation is labeled separately and is never presented as auction transaction evidence; thin and specialist markets remain exact-comparable or unpriced when the evidence does not support a numeric channel value.
Galba
Otho
Vitellius
Civil War & Anonymous
Vespasian
Titus
Domitian
Domitilla the Elder
Diva Domitilla
Julia Titi
Ancient Coin Value Guide FAQ
There is no single fixed price. Value depends on ruler, denomination, mint or series, grade, surfaces, rarity, provenance, certification, and current collector demand. This guide uses market ranges rather than one catalog number.
Not automatically. Certified coins can command different prices because grade and attribution are standardized, but raw and certified coins are separate markets and should be compared like-for-like.
Auction prices reflect completed competitive bidding at a particular moment. Fixed-price retail reflects inventory available to purchase now, without waiting for an auction or risking losing the lot.
Yes, but grade is only one variable. Strike, surfaces, style, rarity, mint, denomination, provenance and eye appeal can materially change the price even within the same adjectival grade.
Headline auction figures use buyer-inclusive acquisition cost: the hammer price plus the mandatory buyer premium for that exact sale. A single blanket premium is not applied across auction houses.
All seven books (Books I–VII) are published. The first editions use dated September 2026 research snapshots, with certified/slabbed, current fixed-price retail, and auction evidence kept separate. These are historical market references, not live price quotes; future revisions may incorporate newer verified evidence.
The Value Guide Series
The web guide remains the fastest reference. The full downloadable editions preserve the deeper ruler chapters, source trail, methodology, specialist-market notes and appendices.
The Crisis of the Third Century
AD 235–285. Ruler-by-ruler certified, fixed-price retail and buyer-inclusive auction research.
First Edition PDF · Published September 2026.
The Tetrarchy & Constantine the Great Dynasty
AD 284–363. Twenty-seven ruler and family chapters, with type-, status- and module-specific market treatment.
First Edition PDF · Published September 2026.
The End of the Western Roman Empire
AD 364–476. Twenty-seven ruler chapters from Valentinian I through Romulus Augustulus, with specialist-only treatment where the late western market becomes too thin for conventional ranges.
First Edition PDF · Published September 2026.
The Julio-Claudian Dynasty
27 BC–AD 68. Fourteen chapters from Augustus through Nero, with family-member markets and type-specific pricing where ruler-wide averages would mislead.
First Edition PDF · Published September 2026.
The Year of the Four Emperors & the Flavian Dynasty
AD 68–96. Ten chapters covering Galba, Otho, Vitellius, Civil War issues, Vespasian, Titus, Domitian, Domitilla, Diva Domitilla portrait coinage, and Julia Titi.
First Edition · Published September 2026.
The Nerva–Antonine Dynasty
AD 96–192. Sixteen ruler and family chapters from Nerva through Commodus, with Travel Series, conquest, consecration, military, bronze and gold markets separated where needed.
First Edition PDF · Published September 2026.
The Severan Dynasty
AD 193–235. Twenty-one ruler and family chapters from Pertinax and the succession crisis of AD 193 through Severus Alexander, with ordinary silver, specialist dynastic types, bronze, and gold separated where needed.
First Edition · Published September 2026.
Market evidence is a dated research snapshot, not a guarantee of future value. Ancient coins remain specimen-specific, and authenticity, grade, strike, surfaces, rarity, provenance, venue and collector demand can materially affect price.
Independent market research, with source boundaries
The Kinzer Ancient Coin Value Guide reports factual market observations and Kinzer Coins' own analysis. It does not claim ownership of third-party auction facts, dealer facts, catalog text, photographs, databases, trademarks, or grading systems.
Auction search services and marketplaces may help locate a record, but the originating auction house or dealer is preferred for verification. Third-party databases are not republished as Kinzer datasets.
The guide publishes selected factual observations, ranges, and commentary rather than copies of an auction archive, dealer marketplace, or search service. Future research should avoid systematic harvesting of marketplace or aggregator data.
Illustrations are Kinzer-owned, public domain, or reused under the license or permission stated in the relevant volume. Crops and resizing are disclosed. A cropped CC BY-SA image remains subject to the same ShareAlike license as its source.
NGC, auction-house, dealer, marketplace, and other third-party names and marks belong to their respective owners. Their mention does not imply sponsorship, partnership, approval, or endorsement of Kinzer Coins or this guide.
This is a dated educational market reference, not a formal appraisal, insurance valuation, investment recommendation, or guarantee of future value. If a rights holder believes a credit, source attribution, or image-use statement is incorrect, Kinzer Coins will review and correct or replace it.
Kinzer Ancient Coin Value Guide
This page is part of the Kinzer Ancient Coin Value Guide, originally researched, compiled, written, and published by Kinzer Coins. The official source for this guide and future revisions is KinzerCoins.com.
© 2026 Kinzer Coins. All rights reserved. Original research, commentary, selection and arrangement of market evidence, tables, graphics, and presentation may not be reproduced or republished in substantial part without permission. Individual historical facts and public auction results remain facts; Kinzer Coins claims copyright only in its original authorship, compilation, analysis, and presentation.
Research snapshots are dated within each volume so readers can distinguish the original publication record from later revisions.
Third-party sources and marks. Auction-house, dealer, grading-service, marketplace, database, museum, and reference names are used only to identify sources or market context. Kinzer Coins is not affiliated with or endorsed by those third parties unless expressly stated. Except for material specifically licensed and credited, this guide does not reproduce third-party photographs, catalog prose, database exports, or proprietary tables. Public sale facts are used as factual market observations and are independently selected, organized, and analyzed by Kinzer Coins. Aggregators and marketplaces are used for discovery and cross-checking rather than as datasets to republish.
Read the Value Guide Source & Rights Policy
Independent source-use notice. Kinzer Coins is not affiliated with, sponsored by, or endorsed by any auction house, grading service, dealer marketplace, archive, or research platform named in this guide. Names are used only to identify factual market observations or their originating venues. The guide does not reproduce proprietary auction-catalog prose, database exports, marketplace layouts, or unlicensed commercial images. Search services and marketplaces are used only for discovery and cross-checking; wherever practicable, auction observations are verified to the originating auction house and retail observations to the originating dealer. No automated scraping or harvesting is used for publication datasets.
Market-use notice. This is a dated collector-market reference, not an appraisal, investment recommendation, insurance valuation, dealer bid sheet, or guarantee of future price. Ancient coins are specimen-specific and actual results can differ materially.