Welcome to NumisDex

NumisDex is a comprehensive, community-driven catalog of U.S. coin varieties, errors, and die characteristics. Our mission is to build the most complete and accessible reference for collectors, researchers, and dealers — a single destination where every known variety is documented with images, attribution data, and expert analysis.

What You'll Find Here

We currently catalog over 72,000 listings spanning the full range of U.S. coinage. Our hierarchical organization follows the structure collectors actually use: Denomination → Base Coin → Strike Type → Error/Variety. Browse by denomination through the catalog, search for specific varieties, or explore by error type.

Every listing in the catalog includes:

High-resolution obverse and reverse images where available
Detailed descriptions of die characteristics and identifying features
Detailed series information
Cross-references to NGC and PCGS census data where available
Community voting and verification status

How to Get Involved

NumisDex is built by collectors, for collectors. Here's how you can contribute:

Browse and Learn — Start by exploring the catalog. Whether you collect Lincoln Cents, Morgan Dollars, or anything in between, there's a wealth of attribution data waiting for you.

Submit New Varieties — Found something that's not in the catalog? Use the submission form to add new discoveries. Include clear photos and any attribution information you have — the community will help verify and classify your find.

Vote on Submissions — Every community submission goes through a voting process. Your expertise helps determine whether a submission is a genuine variety, needs more information, or should be reclassified. The more you participate, the more your vote carries weight through our tier progression system.

Join the Discussion — This forum is your space to discuss varieties, share discoveries, ask questions, and connect with fellow collectors. We have dedicated categories for every major series and error type.

About the Team

NumisDex was built by a small team of coin enthusiasts and software developers who saw an opportunity to consolidate the scattered world of variety attribution into a single, modern platform. Our data draws from established references including DoubledDie.com, VarietyVista, CudsOnCoins, Brian's Variety Coins, TrailDies.com, MadDieClashes, CopperCoins.com, and VAMWorld — all properly attributed and cross-referenced.

We're committed to accuracy, transparency, and community governance. NumisDex is not just a reference — it's a living catalog that grows with every contribution.

Introduce Yourself

We'd love to hear from you. Reply to this thread and tell us:

What series or error types do you collect?
How long have you been collecting?
What drew you to coin varieties?
What would make NumisDex most useful to you?

Welcome aboard — let's build something great together.

Welcome to NumisDex — Help Us Build the Definitive Coin Variety Catalog