Colombia, 1883

DSQ

1860: 1 Troy Oz. platina (Colombia: Spot 83% ore) =


1883: 1 Troy Oz. platina (Colombia: Spot, ore @ .999) =

1883: 1 Troy Oz. platina (Paris: Colombia; 83% ore) = Fr 23.23 (USD$ 4.46)
1883: 1 Troy Oz. platina (Paris: Choco ore, .999) = Fr 27.99 (USD$ 5.15 - 5.32)
1883: 1 Troy Oz. platina (Colombia: Spot, ore @ .999) = Fr. 33.7266

Citation: A study of the gold & silver mines of Colombia;  Vicente Restrepo (1883) p. 106
 

Although incomplete, Choco reportedly produced 739 ozt annually, 16.7% the Gold Yield.

Citation: Journal de la Société de statistique de Paris, Vol. 18-19 (1877) p.73
 

In 1887, a Birmingham refiner at Lees and Sanders calculated previous years "platiniferous Gold" at ~20% PGMs.
 

Colombian Gold Yield, 1882: 
Colombian Gold Yield, 1883:  186,500 Ozt., USD$ 20.675/Ozt
US Mint stats:
 







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