APMEX, Inc., based in Oklahoma City, Oklahoma, is the world's largest online retailer of precious metals, with over $11 billion in transactions since its founding in 1999.
The company offers more than 20,000 Gold, Silver, Platinum and Palladium coins, bars, bullion rounds, collectibles and other numismatics products from various mints around the world.
Jewelry, rare currency, and commemorative items are also offered by APMEX.
The company buys and sells bullion, numismatics, semi-numismatics, rare coins and currency. APMEX's customers range from collectors and investors to wholesale dealers.
According to en.wikipedia
