Landstroms Black Hills gold pins and 12 karat brooches in tri color leaves of rose gold and green, are of exceptional quality and reasonably priced Black Hills Gold jewelry at Wall Drug. . USA gold from the Black Hills of South Dakota is used to create each 12 karat brooch and pin. Sure to delight any lady on your gift list. Looking for a gift for your wife, mother, sister, grandmother, girlfriend, or fiancé?