Colombia, 1905

In 1905, the total Colombian platina yield (82% ore) was estimated at 923.86 kgs (757.56 kgs. Pt .999); the US export (~112 kgs.) was just ~12% the total.

1905: 1 Troy Ounce platina (Colombian ore, Spot, Est. 80%) ~$ 4.75 - 5.
1905: 1 Troy Oz. Pt (Colombian Spot, @ .999) ~ USD$ 5.94 - 6.27

1905: 1 Troy Ounce platina (NYC: Ore, 80%) = USD$ 14.40 - 15.20
1905: 1 Troy Oz. Pt (Ore @ .999) = USD$ 18. - 19.
1905: 1 Troy Oz. Platinum (NYC: mkt) = USD$ 20.34


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










Gold
Citation: United States Congressional Serial Set, Issue 5141 (1907) p.134