Russia, 1910

1/1910: 1 Troy Ounce platina (Ru Ore 83%, Mkt) = руб 38.81 (ℳ 83.98)
1/1910: 1 Troy Oz Pt (Ru Ore @ .999, Mkt) = руб 46.76 (ℳ 101.18)

12/1910: 1 Troy Oz. platina (Ru Ore 83%, Mkt) = руб 59.95 (ℳ 129.70)
12/1910: 1 Troy Oz Pt (Ru Ore 83%, Mkt) = руб 72.22 (ℳ 156.27)
 
9/1910: 1 Troy Ounce platina (Ural Spot, Ore 83%)=  руб 59.06 ($ 30.45)
9/1910: 1 Troy Oz Platinum (NYC: Avg Ingot) = руб 65.23 (USD$ 33.63)
 
1910: 1 Troy Oz. Platinum (St.Pb: Ingot, Mkt) = руб 52.29 (USD$ 26.96)
1910: 1 Troy Oz. Platinum (New York: Ingot, Mkt) = руб 63.42 (USD$ 32.70)

Citation: The Russian Year-book, Vol. 2 (1912) p.188
 

Platina Yield, 1910