USA, 1870s

1866/7?: 1 Troy Ounce of platina = $  4.28  (USD$  6.03)

1867: 1 Troy Ounce platina = USD$ 4.40  (USD$  6.56)

1870: 1 Troy Ounce platina (unmanufactured) = USD$ 4.67 (USD$ 5.36)
c.1871: 1 Troy Ounce of platina = $  5. 5


c.1870: 1 Troy Oz. Platinum (refined, imported price, retail) = USD$ 5.50 - 15. 
c.1871?: 1 Troy Ounce of Platinum = $  6. 

c.1873: 1 Troy Ounce of Platinum = $ 7.90 

1875: 1 Troy Ounce of Platinum = $ 8.39

c.1870s - 80s: 1 Troy Ounce of Platinum = $  7. - 7.50

Global, 1870s: Platinum Discontinued in Sulphuric Acid Production

1870s

Russia, 1860

1860: 1 Troy Ounce platina (SPb, @ SG 21.5) = 6.1977 руб Kr.; 5.851 руб Ag  
.... £ 0.9216

1860: 1 Ozt. Platinum (UK: London Price, Refined) = 9.0788 руб Kr.

"Цена эта представлялась самой удобной, так как платина продавалась в 1860 г. за границу по 85 коп. за золотник, и не велика, потому что сравнялась бы с ценой платины других стран."


"The price that seemed the most convenient, since in 1860 Platinum was sold abroad for 85 Kopecks per Zolotnik, and is not high, because that became equivalent to the price of Platinum from other countries."
Estimated, from Table:
1860: 1 Ozt Pt (SPb, Bulk Ore @SG 21.5) = 5.5473 руб Kr.
1860: 1 Ozt Pt (+Assumed Refined Cost руб Kr. 1.1156) = 6.5529 руб Kr. 
 
Where 1 Poud (= 3,840 Zolotnik) = 2,864 руб Kr. and 1 English Troy Ounce = 7.2914432 Zolotnik:

Citation: Journal of the Society of Chemical Industry, Vol. 9 (May 31, 1904) p.568


1860: 1 Ozt. platina (Rus export price) = 6.36 руб = (USD$ 5.)


c. 1858? 
?: 1 Ozt. platina (Intrinsic) = 6.95 руб = (USD$ 5.47)

Citation: Angewandte Arithmetik zum Gebrauche in Latein- und Realschulen; Johann B. Eckl (1861) p.183

1859: Au Yield = 1,491 Poud = 59,640 Funt = 785,227.3 Ozt.= 24,423.3 Kgs.

France, 1870: Repairs to a French Platinum Still

1870: 1 Troy Ounce Platinum (Paris: Intrinsic) Fr 21.77 (USD$ )
1870: 1 Troy Ounce Iridium (Paris: Intrinsic) Fr 31.103 (USD$ )
 




1870: 1 Troy Ounce Platinum (Paris Mfg, bulk) Fr 23.33 (USD$ 4.56)

Citation: Le Moniteur scientifique du Doctor Quesneville: Journal ..., Vol. 39-40 G. A. Quesneville, p.664



1870: 1 Troy Ounce Pt (Still Labor) = Fr 13.56 (USD$ 2.65)

1870: 1 Troy Ounce Pt (Still Labor) = Fr 39.53 (USD$ 7.73)
1870: 1 Troy Oz. Pt (Still Labor) = Fr 42.88 (USD$ 8.39)

 The rate at which the old Platinum was taken is unclear, but critical. Assuming the same scrap rate from the same dealer (in 1870 and 1873) might be useful.

'Repair cost' is assumed to be Labor (unknown) + new Platinum (201.75 Troy Oz.) + scrap Pt allowance (unknown value for 51.96 Troy Oz.)

Given the total scrap value in 1873, an estimation of the 1870 scrap rate is fair: 

1870: 1 Troy Oz. Platinum (scrap, bought) ~ Fr  17.11 ($ 3.35)
1873: 1 Troy Oz. Platinum (scrap, bought) = Fr 25.15 ($ 4.83; USD$ 5.58)

Citation: Amtlicher Bericht über die Wiener Weltausstellung im Jahre 1873, Vol. 3, Pt. 1 (1875)





1870: 1 Troy Oz. Platinum (manufactured still)= Fr 23.33 (USD$ 4.56)
1900: 1 Troy Oz. Platinum (manufactured still)= Fr 108.86 (USD$ 21.14)



1873: 1 Troy Oz. Platinum (official; manufactured)= Fr 29.55 (USD$ 5.68)

Citation: Annales du Sénat et de la Chambre des députés, Volume 6, Assemblée nationale (1871-1942) p.153


4-Piece Tea Service (31 Ozt.), estimated weight* : Tea Pot (236 g.), Coffee Pot (345 g.), Creamer (176 g.) , Sugar-Bowl (208 g.) 

Citation: Collections de San Donato: objets d'art (1870)


*Correspondence: approximate relative weights derived from a Swiss Silver set (1832)




"White Gold" of French jewelers was 80% Au/20% Pt:

UK/Russia, 1874 - 1907: Crude vs. Ingot Prices

After refining Iron, Copper and debris, the PGM purity of Russian platina would be ~3% Iridium in 'hard ingot.'
 

PGM	Blagodat	Niznhi-Tagilsk
Pt	92.7%	93.4%
Ir	1.0%	0.1%
Os	0.1%	0.0%
Ru	0.0%	0.0%
Pd	0.1%	1.5%
Rh	3.3%	5.0%
Iron	0.0%	0.0%
Cu	0.0%	0.0%
Au	0.0%	0.0%
Osmiridium	2.8%	0.1%

Citation: Minerals Yearbook 1913 p.451




The Canadian Mining Institute (USD$?):