USA, 1876: Dental Prices (Trade)

1876: 1 Troy Ounce Platinum (Semi-Mfg: Sheet, Retail) = USD$ 9.



Presumably at the same rate, 1 Inch = $0.6059 or 14.87 Inches per Ozt.
 


A major vendor of Platinum, S.S. White Co. announced a (specie) price reduction in 1875, then another to currency rates (Greenbacks) in 1876.  

The wholesale premium for pure Silver was >75% ; for pure Gold (@ $1.20 per pennyweight) the wholesale premium was

1877: 1 Troy Oz. Platinum (Semi-Mfg, sheet, Retail) = USD$ 11.88

1876: 1 Troy Oz. Platinum (Semi-Mfg, sheet, Trade) = USD$ 8.50

1876: 1 Troy Oz. Silver (Pure, Trade) = USD$ 2. / $ 2.30

1876: 1 Troy Oz. Gold (Pure, Trade) = USD$ 24. / $ 26.76

Citation: The Dental Cosmos, A Monthly Record of Dental Science; James A. White (1876) p. 709

Citation: Samuel S. White Catalogue of Dental Instruments and Equipment ; Samuel Stockton White, Audrey B. Davis (1876) p. 269

 

1877/8: an imported French Gramme weight set cost $ 9.51

 

 Citation: The Metric Bulletin, Dec. 1876


1876: 1 Troy Oz. Platinum (Mfg, Ret.) = USD$ 46.66 ($ 41.85) 



1877/8:  a Gramme weight set @ Fr. 5.14375 cost $ 3.89





1856:  a Gramme weight set @ Fr. 5.40  cost USD$ 4.63
  


US Imports:


Poorly understood valuation crisis in Russian Platinum coin, by Senator John P. Jones (R-NV, and owner of the Crown Point Mine)