Russia, 1911

June 1911: 1 Troy Ounce platina (83% Ore, Ural Spot)=  руб 67.45 ($34.71)
June 1911: 1 Troy Oz. Pt (Ural Spot, .999)=  руб 81.26 ($41.81)
 

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


1911: 1 Troy Oz. platina (SPb: Russian ore) = USD$ 35.19
1911: 1 Troy Oz. Pt (SPb: Russian ore @.999) = USD$ 42.40

Citation: The Mineral Industry, Vol. 20 (1912) p.604




November 1911: 1 Troy Oz. Pt (Ural Spot, .999) ~  руб 89.65 ($46.13)


11/1911: 1 Troy Ounce platina (Ural Spot: 83%) = руб 73.28-74.37 ($37.71-38.27)
11/1911: 1 Troy Oz. Pt (Ural Spot, .999)=  руб 88.29-89.61 ($45.43-46.11)

Citation: Mining and Scientific Press, Volume 103 (11/25/1911) p.686