Ural Price:
1877: 1 Troy Ounce platina (Ru: Contract 74.8% ore) ~ руб Kr. 2.613 - 3.503 ($ 1.30 - 1.75)
1877: 1 Ozt. Pt (Ru: Intrinsic) ~ руб Kr. 3.493 - 4.683 ($ 1.75 - 2.34)
SPb Paris-imported Platinumware, Retail
1876: 1 Ozt. Platinum (SPb: Imp. French Mfg Ret.) = 17. руб Kr. ($ 8.50)
1876: 1 Ozt. Platinum (Semi-Mfg: Sheet, Retail) = USD$ 9.- 8.50
1877: 1 Ozt. Platinum (UK: Semi-Mfg, Sheet, Catalogue) = USD$ 12.12 (£ 2.35)
1878: 1 Ozt. Platinum (Paris: Semi-Mfg, Trade) = USD$ 6.63 (Fr 34.21)
1878: 1 Ozt. Platinum (Phila: Intrinsic, Trade) ~ USD$ 12.
August 1879 report of platina in Virginia City, CA Mine; Late 1877/8 local SF mkt price, rising with Edison's demand.
"Mr. Edison's call for platinum has developed considerable interest in the search for that metal. According to Prof. Stewart, of Virginia City, Nevada, platinum has been found in Santa Clara county, California, in a seam of talc, incased in hard schistosc rock. About two years ago men worked the mine, selling the platinum in San Francisco for $12 or $15 an ounce."
Citation: Scientific American, Vol. 43; Volume 43 (8/30/1879)
In The Dental Cosmos (1879), Platino-Iridium syringe points were 3.5x more expensive than Silver points; 18k Gold points were 1.43x more expensive.
Boston Prices:
1877: 1 Troy Ounce platina (Ru: Contract 74.8% ore) ~ руб Kr. 2.613 - 3.503 ($ 1.30 - 1.75)
1877: 1 Ozt. Pt (Ru: Intrinsic) ~ руб Kr. 3.493 - 4.683 ($ 1.75 - 2.34)
SPb Paris-imported Platinumware, Retail
1876: 1 Ozt. Platinum (SPb: Imp. French Mfg Ret.) = 17. руб Kr. ($ 8.50)
1876: 1 Ozt. Platinum (Semi-Mfg: Sheet, Retail) = USD$ 9.- 8.50
1877: 1 Ozt. Platinum (UK: Semi-Mfg, Sheet, Catalogue) = USD$ 12.12 (£ 2.35)
1878: 1 Ozt. Platinum (Paris: Semi-Mfg, Trade) = USD$ 6.63 (Fr 34.21)
1878: 1 Ozt. Platinum (Phila: Intrinsic, Trade) ~ USD$ 12.
August 1879 report of platina in Virginia City, CA Mine; Late 1877/8 local SF mkt price, rising with Edison's demand.
"Mr. Edison's call for platinum has developed considerable interest in the search for that metal. According to Prof. Stewart, of Virginia City, Nevada, platinum has been found in Santa Clara county, California, in a seam of talc, incased in hard schistosc rock. About two years ago men worked the mine, selling the platinum in San Francisco for $12 or $15 an ounce."
1877: 1 Ozt. Platinum (SF: .999) = USD $ 12. ($ 11.46)
1878: 1 Ozt. Platinum (SF: .999) = USD $ 15. ($ 14.33)
1878: 1 Ozt. Platinum (SF: .999) = USD $ 15. ($ 14.33)
Citation: Scientific American, Vol. 43; Volume 43 (8/30/1879)
In The Dental Cosmos (1879), Platino-Iridium syringe points were 3.5x more expensive than Silver points; 18k Gold points were 1.43x more expensive.
Boston Prices:
1877: 1 Ozt. Platinum (Semi-Mfg, Sheet, Ret.) = $11.34 (USD $11.88)
1877: 1 Ozt. Pt-Ag Alloy (Semi-Mfg, Fine Wire, Ret.) = $15.66 (USD$ 16.41)
John S. Dye was the well-known as the author of counterfeit currency detectors from 1847 to 1879; he died before the Coin encyclopædia (a scrapbook of miscellany) was published. The Platinum coin price data was early mid-1870s, at the latest. As scrap, the estimate may be an error based either on Russian bulk rates or US dental platina rates!
c. 1872-8?: 1 Ozt. Platinum (Coin Scrap? not Numismatic) = $ 7.17
c.1877?:
Citation: Dye's coin encyclopædia: a complete illustrated history of the coins of the ... John S. Dye (1883) p.1011
Edward Cogan's catalog for a Bangs & Co. auction, 4/12-3/1877
April, 1877: 1 Ozt. Platinum (Coin, Numismatic) = $ 9.77
1833 Platinum 3-Rouble, NGC AU-53 (Lot 40360) in Ponterio Sale 168 (Philadelphia, August 10, 2012), where it sold for $3,220.
1831 Platinum 3-Rouble sold for $2,000 by Baldwin's ???
US Quarter Dollar:
1865 PR62 $2,760. (+15%?) on Jan 6, 2009 HA.com
1794 1-Cent, MS-62 sold 2/15/2008 for USD$ 33,600.
Numismatic Book:
US Imports:
Suspect
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