TaiseiAuction vs GreatCollections

Taisei Auction specializes in auctioning numismatic items from all around the world. Numismatists and coin collectors can find a range of gold and silver rarities as well as banknotes in our annual auction during the Tokyo International Coin Convention (TICC) or via our online auctions held at various times during the year. Taisei is a trusted coin dealer of over 50 years, having worked with various government mints around the world, including the US, UK, Australia, Austria, Canada, China, Finland, France, Israel, Mexico, Netherland, New Zealand, Poland, Portugal, Russia, Singapore, South Africa, South Korea, Spain and more. Come find the rare item you have been looking for or let us sell your items at reasonable rates via our online auction service!

The GreatCollections app allows users to browse and bid on upcoming auctions of rare coins, banknotes and collectibles, as well as research past auctions and view our auction archive of over 1.6 million certified coins and banknotes. GreatCollections was founded in 2010 and is currently the official auctioneer of the American Numismatic Association (ANA). New auctions listed daily, with no hidden reserves. View high resolution images, including GreatPhotos, the best coin photography in the industry. Auction Features: • Certified coins graded by PCGS, NGC, CAC and ANACS. • Certified banknotes graded by PMG, PCGS and Legacy. Key Features: • Browse & Bid: Discover U.S. and world coins, certified paper money, and rare currency • Advanced Search: Find items by denomination, grade, date, and more • Auction Insights: View past results, top lots, and upcoming highlights • Stay Updated: Get real-time alerts on auctions, bids and outbid notices • Secure & Trusted: Over 100,000 registered bidders with 1.5 million items sold • Built with collectors in mind, the GreatCollections app delivers powerful tools in a clean, easy-to-navigate interface.