Qiang Zhao

Coin Value Checker is an AI-powered valuation tool built for coin enthusiasts:

Point-and-shoot ID – Upload obverse and reverse photos; the model identifies country, year, mintmark, and composition.

Live market data – Aggregates the past year of realized prices from eBay, Chinese marketplaces, and major auctions to produce a credible value range plus liquidity notes.

Loves the obscure – Tuned on 1850–2000 circulation and commemorative issues, with special attention to errors and rare varieties.

One-stop workflow – Perfect for cataloging a collection, setting a fair list price, or double-checking a dealer’s offer.

No more thumbing through catalogs or guessing at forum chatter—find out whether that mysterious coin is future profit or meter money, all in seconds.