Buy & Sell Gold, Silver, Coins & Currency at Greater Milwaukee Coin & Jewelry Stop by our Brookfield or Waukesha location to see our ever-changing. We buy and sell coins and currency, gold, and silver. We can give appraisals for estates and insurance purposes as well as for your own knowledge. Greysheet is the trusted source for collectible, rare coin and currency pricing since Brookfiled Coin & Card Llc [email protected]