Jan. - Sept. 1921: 1 Troy Oz. platina (Cartagena mkt: 82% ore) = USD$ 59.42
1921: 1 Troy Oz. Platinum (US import: all) = USD$ 66.44
Citation: The Jewelers' Circular, Vol. 85, Issue 2 (11/1/1922) p.77
Citation: The Jewelers' Circular, Vol. 85, Issue 2 (10/18/1922) p.83
No comments:
Post a Comment