Colombia, 1912

1912: 1 Troy Ounce platina (Colombian ore, Spot, Est. 80%) = USD$ 18.
1912: 1 Troy Ounce platina (Colombian ore, intrinsic) = USD$ 22.50
1912: 1 Troy Oz. Gold (Colombian ore) = C$ 10.51

Citation: The Jewelers' Circular, Vol. 81, Issue 2 p.89 (9/3/1920)


Citation: Colombia: physical features, natural resources, means of communication ... By V. Lévine (1920)