USA, 1867: SS White Dental Catalogue Prices

1867: 1 Troy Ounce Pt (Paris: SPb Refined, Bulk .980) = $ 4.41 (USD$ 6.11) 
1867: 1 Ozt. Pt (NYC: Import Cost by Mail, Bulk .980) ~ $ 4.63 (USD$ 6.41) 
1867: 1 Ozt. Pt (NYC: Import, Bulk Rate +25%) ~ $ 5.79 (USD$ 8.01)

1866: 1 Troy Oz. Platinum (UK: Semi-Mfg, Retail) = $ 8.05 (Au) ; USD$ 11.35 (£ 1.65)
1867:  1 Ozt. Platinum (UK: Scrap, Sold) ~ $4.90 (USD$ 6.77)

1867: 1 Troy Oz. Platinum (Germany: Semi-Mfg, Ret.) ~$ 6.72; USD$ 9.29 (Thl 9.33)
1867: 1 Troy Oz. Platinum (NYC: Ger. Imp: Semi-Mfg, Retail Rate) ~$ 10.27 (USD$ 14.22)
 
1867: 1 Ozt. Platinum (Sponge: Trade) = $ 10.86 (USD$ 15.)
1867: 1 Ozt. Platinum (Plate: Trade) ~ $ 11.40 (USD$ 15.75)    

The Russian Price at Paris, quoted by Demidoff, was for a Poud-weight (~526 Ozt.)

1867: 1 Troy Ounce Platinum (Paris: Bulk, Ru Pt .98) ~$ 4.41 (USD$ 6.107) 
1868: 1 Ozt. Platinum (Paris: Bulk, Ru Pt .98) = $4.50 (USD$ 5.98)

Citation: Economic geology of the United States: with briefer mention of foreign ... Ralph Stockman Tarr (1905), p.178

McAllister's Philadelphia Catalogue price is about 100% higher than the bulk importer's cost.  Prices presumably in currency. See Catalogue of Optical & Philosophical Instruments, for Sale Wholesale and Retail, William Y. McAllister (1867) p.116:
http://www.sil.si.edu/DigitalCollections/trade-literature/scientific-instruments/files/51739/imagepages/image116.htm  

May, 1867: 1 Ozt. Platinum (Foil & Wire) = USD $24. ($ 17.52)
 
S.S. White's Catalogue of Dental Materials, Furniture & Instruments, Etc. (1867) records a wholesale price familiar to pre-War years, but sold at a Gold Premium (p.28.)

1867: 1 Troy Ounce Silver (Trade: .999) = $ 2. (USD$ 2.763)
1867: 1 Ozt. Silver (Trade: Mfg .999) = $ 3. (USD$ 4.145)

July 1866?: 1 Ozt. Platinum (USA: Trade, Sponge) ~ $ 9.89 (USD$ 15.00)
July 1866?: 1 Ozt. Pt (USA: Remelting Cost) = $ 0.53 (USD$ 0.80) 

1867: 1 Ozt. "Platinum" (Trade: 60/40? Ag/Pt Alloy, Plate) = $ 6. (USD$ 8.29)

1867: 1 Ozt. "Platinum" (Trade: 40%? Pt Alloy, Cut) = $7. (USD$ 9.67)
1867: 1 Ozt. Platinum (Pt .999, Plate) = $ 10.50 (USD$ 14.51)

 
Citation: Catalogue of Dental Materials, Furniture, Instruments, etc. ;  Samuel S. White (January 1, 1867) p.28

1867: 1 Troy Oz. Gold (Trade: 20k) = $20. (USD$ 27.63)



Likely correct.

1867: 1 Ozt. Platinum (Sponge: Trade) = $ 10.86 (USD$ 15.)
1867: 1 Ozt. Platinum (Plate: Trade) = $ 11.40 (USD$ 15.75)  

 

1867 valuation: Gold 'twice the price of' (manfactured retail) Platinum

Citation: A manual of inorganic chemistry: arranged to facilitate the experimental ... ;Charles W. Eliot, Frank H. Storer (1867)


US Imports of Platinum: $ 91,157
"Indirect Trade"
UK: Unmfg, $47,917 ; Mfg, $ 53,266; Other Mfg, $291.
France: Unmfg, $1,310; Mfg, $11,045.
Germany (Hesse-Darmstadt): Unmfg, $978




December, 1867: Detroit pharmacist price, "Cash" (in Gold) selling chemicals and "the first trituration of platina"

1867: 1 Fluid Oz. Platinum Chloride (PtCl₂, Ret.) = $3.50 (USD$ 4.84)
1867: 1 Troy Ounce Homeopathic solution? (whols., unknown purity) = $ 6. (USD$ 8.29) 

Citation: American Observer Medical Monthly, Vol. 4, 1867; p.516

 

Bulk Shipping Coin (New York to London, ~243 Kgs) c.1866/7:  $ 0.023/Ozt

In the USA, 10,000 Mexican Dollars weighed a total of 8,660 Ozt; 7,815.65 Ozt (243.1 Kg) Fine Silver. The total cost of purchase, shipping, interest charged to England was $ 199.
 
1867: 1 Ozt. Silver .999 (New York, Bulk) = $1.175
1867: 1 Ozt. Silver .999 (London, Bulk, NY Shipped, Interest) = $1.1979

 

Freight, NYC-Brest:

1 Ozt = $ 0.21943