COLOMBIA. Duo of Gilt Bronze Uniface 10 Pesos Essais (Patterns) (2 Pieces), 1873. Paris Mint. Both NGC Certified. Plain edge. By A. Barre.<p><p>1) Obverse Trial. NGC PROOF-65. KM-TS9; Restrepo-63.<p><p>2) Reverse Trial. NGC PROOF-66. KM-TS10; Restrepo-63.<p><p>Standing as a pair of provocative Gems, this duo of trial strikes radiate with majestic luster and also offer a vibrant golden-olive hue. Ex: Dr. Frank Sedwick Collection.