Spectrum Group International (known as Greg Manning Auctions until September 2005, then as Escala Group until May 2009) is a consolidated global collectibles network, an auctioneer of stamps, coins, arms, armor and militaria, and other memorabilia. Spectrum Group is also a merchant/dealer of certain collectibles and trader of precious metals. Spectrum Group’s trading operations consist of A-Mark Precious Metals, a precious metals trading company that is an official distributor for mints in Canada, South Africa and Australia and is an authorized purchaser for the United States Mint.