CoinsWorth
Extension Installed Successfully!
CoinsWorth
You now have expert-grade coin authentication and grading analysis on every GreatCollections and Heritage Auctions page. Make confident collecting decisions with CoinsWorth.
Look for the CoinsWorth icon in your browser toolbar and click it. This opens the side panel where all the magic happens.
Visit GreatCollections.com or HA.com and navigate to any coin listing. The extension automatically detects coin pages.
Watch as CoinsWorth automatically analyzes the coin, showing grade predictions, price analysis, and buying recommendations.
Click the puzzle piece icon in your toolbar, then click the pin next to CoinsWorth. This keeps it visible and easily accessible for every coin you browse!
Get expert-level grade assessment to identify undervalued coins and avoid overgraded specimens. Make informed bidding decisions.
Access comprehensive market data and pricing intelligence. Identify genuine opportunities and avoid overpriced listings.
Receive expert alerts for problematic listings, pricing concerns, and grade inconsistencies. Collect with confidence.
Beautiful charts and probability distributions show you exactly what to expect if you regrade the coin.
Avoid costly mistakes with professional-grade coin analysis at your fingertips. Our advanced AI provides the second opinion you need to buy with confidence, helping you identify genuine opportunities while avoiding overpriced or misrepresented coins.