USA, 1901

1901: 1 Troy Ounce platina (Russian ore, Spot) = USD$ 14.12
1901: 1 Troy Ounce Platinum (ingot) = USD$ 18.20 - 21.
1901: 1 Troy Ounce Platinum (refined) = USD$ 24.88

May, 1901: 1 Troy Ounce Platinum (mfg) = USD$ 36. HIGH

Sept, 1901: 1 Troy Ounce Platinum (mfg) = USD$ 21.77

1901: 1 Troy Ounce Osmiridium (ore) = USD$ 6. - 10.
1901: 1 Troy Ounce Osmium (refined) = USD$ 62.20
1901: 1 Troy Ounce Iridium (refined) = USD$ 62.20

Denver price, Manufactured Platinum per gramme:

July, 1901: 1 Ozt. Platinum (Denver: Mfg) = USD$ 23.95

Citation: Mining Reporter, Vol. 44 (8/22/1901) p.144



1901, 1902:

Citation: Congressional serial set, Issue 4718 By US Government Printing Office p.242



Citation: Syllabus of a course of lectures on economic geology; John Casper Branner




Late 1901?




1901-14: Spot Prices for Russian platina, in Russia

1901: 1 Troy Ounce platina (Russian ore, Spot) = USD$ 14.12

Citation: Bulletin of the Pan American Union, Vol. 45 (1917) p.618


Commodity observations, from French sources (1903):

1901: 1 Troy Oz. platina (Paris: Russian, contract) = USD$ 14.09 - 15.55