COLOMBIA. 5 Decimos, 1875. Medellin Mint. PCGS AU-50 Gold Shield. KM-153; Restrepo-297.5a. Variety with B inside O. Struck from clashed dies, this pleasing example features a light gray color and exhibits just lightly scattered marks. Ex: The Eldorado Collection of Colombian Coins (Stacks Bowers - 8/2018) Lot # 42030.