Russia, 1919

With some doubts as to exact market-price dates:

Early 1919: 1 Troy Ounce Gold (officially) = 132.56 руб
Early 1919: 1 Troy Ounce Gold (black mkt) = 265- 318 руб

 
Where 5,280 Ozt Russian platina ore cost руб 5,000,000 and assumed .800 Fine = 4,224 Ozt Pt, the Ural cost of refined Platinum (at 36 руб/$1) :

May, 1919: 1 Troy Ounce platina (Ural Ore) = 946.97 руб (~USD$ 26.30)

May, 1919: 1 Troy Oz Pt (Ural Ore, .999 Fine) = 1,183.71 руб (~USD$ 32.88)
May, 1919: 1 Troy Oz. Pt (Ural Refining Cost) = 35.52 руб (~USD$ 0.99) 
May, 1919: 1 Troy Oz Platinum (Ural Spot) = 1,219.22 руб (~USD$ 33.87)

Compare:
 
May, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 20.25  

1919: 1 Troy Oz. platina (Colombia: ~80% Ore, US Customs) = USD$ 88.4286

1919: 1 Troy Oz. Pt (Colombia: ~80% Ore, .999) ~ USD$ 110.5357
 
May, 1919: 1 Troy Oz. Platinum (NYC: ingot @ US Govt) = USD$ 102.60

June, 1919: 1 Troy Oz. Platinum (NYC: ingot @ US Govt) = USD$ 105.80

Citation: American Journal of Pharmacy, Vol. 92 Feb 1920 p.115



Purity of Russia Ore:

UK (Australia), 1919: Tasmanian Osmiridium

October?, 1919: 1 Troy Ounce Osmiridium (Tasmania) = £ 33.

Colombia, 1919

Assuming the 30% NYC Spot - 10%, averaging previous and current months' Spot,

January, 1919: 1 Troy Ounce platina (~80% Ore, Chocó Bid) ~ USD$ 21.04

Febrary, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 20.53

March, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 19.96

April, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 19.91

May, 1919: 1 Troy Oz. platina (~80% Ore,Chocó Bid) ~ USD$ 20.25

June, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 20.84

July, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 21.17

August, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 21.35

September, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 23.63

October, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 26.09

November, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 26.90

December, 1919: 1 Troy Oz. platina (~80% Ore, Chocó Bid) ~ USD$ 28.81

Citation: Colombia: a commercial and industrial handbook. United States Dept. of Commerce, Purl Lord Bell (1921) p.109

 

1919: 1 Troy Oz. platina (~80% Ore, US Custom) = USD$ 88.4286

1919: 1 Troy Oz. Pt (~80% Ore, .999) ~ USD$ 110.5357

1919: 1 Troy Oz. Platinum (Average NY Spot) ~ USD$ 114.60

 

Germany, 1919

July, 1919: 1 Troy Ounce Platinum (ingot, mkt) = ℳ 1,088.65
October, 1919: 1 Troy Ounce Platinum (ingot, mkt) = ℳ 3,110.42

Citation: Enzyklopädie der technischen chemie: Unter mitwirkung von fachgenossen, Vol. 9 ; Fritz Ullmann p.179

France, 1918: The March to Socialism, in PGMs

PLATINE.
Dans notre dernier numéro (février 1918) nous avons reproduit la note parue dans divers journaux concernant la réquisition du platine, et pensant quedans la nomenclature énumérée, le cadmium était une coquille d'un confrère,nous ... affineurs de platine ont consenti par une entente amiable avec le Service des Poudres, à vendre ce métal 17.500 fr. le kilogramme, pour tousles besoins de la guerre.

1901: 1 Troy Ounce Platinum  (cost) = Fr 73.  (USD$ 14.25)

1901: 1 Troy Ounce Platinum  (market) = Fr 99.53  (USD$ 19.40)

c.1918: 1 Troy Ounce Platinum  (market) = Fr 233.28  (USD$ 41.54)

1909: 1 Troy Ounce Iridium  (market) = Fr 140.  (USD$ 27.34)

c.1918: 1 Troy Ounce Iridium  (market) = Fr 326.59  (USD$ 58.15)

1910: 1 Troy Ounce Palladium  (market) = Fr 140.  (USD$ 27.28)

c.1918: 1 Troy Ounce Palladium  (market) = Fr 264.39  (USD$ 47.08) 

1910: 1 Troy Ounce Rhodium  (market) = Fr 140.  (USD$ 27.28)

c1918: 1 Troy Ounce Rhodium  (market) = Fr 264.39  (USD$ 47.08) 

Citation: La marche au socialisme, Edgard Milhaud  (1919) p.166

USA, 1919: US Govt Summary of the Mineral Asset

January, 1919: 1 Troy Ounce Platinum (ingot @ US Govt) = USD$ 104.85

Febrary, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 100.43

March, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 99.20

April, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 99.85

May, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 102.60

June, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 105.80

July, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 105.90

August, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 107.60

September, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 128.70

October, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 132.21

November, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 136.74

December, 1919: 1 Troy Oz. Platinum (ingot @ US Govt) = USD$ 151.35

January, 1919: 1 Troy Ounce Iridium (ingot @ US Govt) = USD$ 104.85

Febrary, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 100.43

March, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 99.20

April, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 99.85

May, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 102.60

June, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 105.80

July, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 105.90

August, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 107.60

September, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 128.70

October, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 132.21

November, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 136.74

December, 1919: 1 Troy Oz. Iridium (ingot @ US Govt) = USD$ 400.

Over an Ounce Troy, Platinum Roubles sold at Market-Price for Platinum. Smaller amounts sold with ~19.25% premium.


July, 1919: 1 Troy Oz. Platinum (Numismatic, @ .999 Pt) = USD$ 126.26
July, 1919: 1 Troy Oz. Platinum (Numismatic, @ .999 Pt) = USD$ 105.12

Citation: The Numismatist: An Illustrated Monthly Magazine for Those ..., Vol. 32 (Sep. 1919)


1919: 1 Troy Ounce Platinum (ingot, mkt) = USD$ 105.
 
Sept. 1919:


Citation: Minerals Yearbook 1919, p.14

 

Russia, 1919-21: Platinum & Russia

Where the Russian refining cost is indicated at 28.4 руб (USD$ 1.42) per troy ounce:

 

1919: 1 Troy Ounce platina (wholesale) = 947 руб (USD$ 47.35) 

1919: 1 Troy Ounce Platinum (refined) = 1,212 руб (USD$ 60.61)

US spot prices in subsequent years were: $114.61 in 1919, $110.90 in 1920, and $75.03 in 1921 (12/21: $85.)   

In the USA, the Great Commodity Crash witnessed a 42.9% drop in wholesale prices (May, 1920- July 1921.)

From the following articles, if we may assume May 1920 @  and July 1921 @ $58./oz.

Citation: Journal of the Franklin Institute, Volume 189,  By Franklin Institute (Philadelphia, Pa.), 1920, p.246

Citation: Mining and scientific press, Volume 124 (January 1922), p.54



1921: 1 Troy Ounce platina (ore) = 1,212 руб (USD$ 60.61)