NumisIQ — The Ultimate Numismatic Database & Marketplace
NumisIQ is the world's most comprehensive numismatic platform for collectors, dealers, and enthusiasts. Browse, catalog, and trade coins, banknotes, tokens, and medals from every country.
Features
Global Catalog — Thousands of coins and banknotes with detailed specifications, images, and historical context.Collector Portfolios — Track your collection with grades, provenance, purchase prices, and estimated values.Marketplace — Buy, sell, and swap with other collectors. Fixed-price, auction, and trade listings.Country Reference Guides — Explore the numismatic history, currency timelines, and notable issues of 190+ countries.Grading Guides — Learn the Sheldon scale from Poor (P-1) to Mint State (MS-70) with photo examples.Counterfeit Detection — AI-powered analysis and a community gallery of known fakes.Wantlists — Track items you're looking for and get notified when they appear.Community Forums — Discuss identification, valuation, and collecting strategies.Events Calendar — Find coin fairs, auctions, and exhibitions worldwide.
Catalog Coverage
NumisIQ catalogs coins, banknotes, tokens, and medals. Each entry includes denomination, year, composition, dimensions, weight, mint, mintage, designer, and high-resolution obverse/reverse images.
Getting Started
Create a free account to start cataloging your collection, list items for sale, and connect with collectors around the world. Visit numisiq.com to begin.
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