Browse and bid on rare coin and banknote auctions. Research past sales and access an extensive archive of certified collectibles. Features high-resolution images and advanced search capabilities for collectors.
1.1.1
April 27, 2026
- MyGC Features Added - App Stability Improvements
GreatCollections allows you to bid on certified coins and banknotes. You can find U.S. and world coins, certified paper money, and rare currency graded by major services like PCGS and NGC.
The app provides access to an auction archive of over 1.6 million certified coins and banknotes. You can view past results, top lots, and upcoming highlights to inform your bidding strategy.
Yes, the app is built with collectors in mind and offers a clean, easy-to-navigate interface. It provides powerful tools for browsing, bidding, and researching, making it accessible for both new and experienced collectors.
New auctions are listed daily with no hidden reserves. This means the auction will sell to the highest bidder regardless of the final price, offering transparency for all participants.
New auctions are listed daily on the GreatCollections platform. This ensures a constant stream of opportunities for collectors to find and bid on unique items.
GreatCollections is available on iPhone, iPad, and iPod devices. It is designed to offer a seamless experience across Apple's mobile ecosystem.
The GreatCollections app has an age rating of 17+. This is likely due to the nature of the collectibles market and the financial transactions involved.
The latest version of GreatCollections is 1.1.0, which was last updated on February 5, 2026. This indicates regular maintenance and potential feature additions.