DSQ
April, 1917: 1 Troy Ounce
3/1917: 1 Troy Ounce platina (Ural, source, 83%) ~ USD$ 110.00
3/1917: 1 Troy Oz. Platinum (Ural, intrinsic) = USD$ 132.53
Background and summary of Russian Platina Price events, circa 1917:
Purity of Russian platina, 1917:
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