Colombia, 1892

Printed in Bogota, the C$ assumed: C$ 18,000 = USD$ 14,814 ~ £ 3,681.

1892: 1 Troy Ounce platina (Colombia: Ore, Export) = C$ 18.66 (USD$ 12.90) 
1892: 1 Troy Oz. Pt (Colombia: Ore, .999) = C$ 22.62 (USD$ 15.63) 

Citation: Colombia; Elisée Reclus (1893)


Circa 1882 (or before) 964.5 Ozt would have cost ~£ 575. 

1878?: 1 Troy Oz. platina (Ore, Spot) = C$ 3. (~£ 0.60 ; USD$ 2.90)
1882?: 1 Troy Oz. platina (Ore, Spot) ~ C$ 3.56 (USD$ 2.93)
 
 



Robert Blake White was resident in Colombia from 1866-1883.  Best guess, his price may be dated to 1878 and no later than 1882.