In 1857, 1 Florin (Fl.) = 60 Kreutzer; or USD$0.58 ; £0.117 (2s 3.96d)
Thus, the retail price of 30 grams refined Platinum is $6.67 or £1.340
The retail price of 30 grams unrefined platina is $4.02 or £0.808
From Heraeus in Hanover in 1857, therefore, the cost of
1 Troy Ounce refined Platinum = $6.91 or £1.389
1 Troy Ounce platina = $4.17 or £0.837
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