Japan, 1918

In Tokyo, Platinum was 11.18% more expensive than the New York Spot.

April 1918:
4/1918: 1 Troy Ounce Platinum (NYC Mkt) = ¥ 208.90 (USD$ 108.)

4/1918: 1 Troy Oz. Platinum (Tokyo Mkt) = ¥ 232.24 (USD$ 120.07)
4/1918: 1 Troy Oz. Silver (Tokyo Mkt) = ¥ 2.6542 (USD$ 1.3722)

UK (Australia), 1918: Osmiridium

DSQ 

January?, 1917: 1 Troy Oz. Osmiridium (Tasmania) = £ 11.
December?, 1917: 1 Troy Oz. Osmiridium (Tasmania) = £ 18.50
Best, 1917: 1 Troy Oz. Osmiridium (Tasmania) = £ 22.50

January, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.75 
February, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.75
March, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.75
April, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.75
May, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.75
June, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.75
July, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.75
August, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 33.
September, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 33.
Late October, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 37.375
November, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 15.
December, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 14.
January, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 7.90
January, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 7.90
January, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 7.90
January, 1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 7.90

 
1918: 1 Troy Oz. Osmiridium (Local High) = £ 14. - 15.
1918: 1 Troy Oz. Osmiridium (Mkt or avg?) = £ 27.90
1918: 1 Troy Oz. Osmiridium (Local High) = £ 37.25

1918: 1 Troy Oz. Osmiridium (Mkt) = £ 40.
1919?: 1 Troy Oz. Osmiridium (Local High) = £ 33.


"Platinum in 1918"

"The average price paid for crude osmiridium in the Tasmanian markets during 1918 was £20 7s. ($98.90) an ounce, the highest point, £37 7s. 6d. ($181.62) an ounce, being reached just before the armistice was signed, but after that time the price broke to £15 ($72.90) an ounce."

Russia, 1918: Platinum Production, 19th C.

In 1918, if Gold was caculated at 4.5 Roubles per zolotnik

1918: 1 Troy Ounce Gold = 11.93 руб

Important summary of Russian Platinum production, 1824 -1917

Citation: The Journal of Industrial and Engineering Chemistry, Vol. 10 ; American Chemical Society p.921






Also:

Germany, 1918

December, 1918: 1 Troy Ounce Platinum (ingot, mkt) = ℳ 777.60

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

UK, 1910 -1924: Osmium in Tasmania

1910- 1924: Iridosmine (Osmium-Iridium) in Tasmania, Australia

Assay, c.1913:

1912:
 


June 1910: 1 Troy Oz. Osmiridium (Tasmania) = £ 4.417

March-June, 1910:



See also: Official Year Book of the Commonwealth of Australia, Issue 27; Issue 1934 p.451

1910: 1 Troy Oz. Osmiridium (Tasmania) = £ 4.33

1911: 1 Troy Oz. Osmiridium (Tasmania) = £ 4.384
1911: 1 Troy Oz. Osmiridium (High, Mkt) = £ 7.50

1912: 1 Troy Oz. Osmiridium (Mkt) = £ 7.371

1913: 1 Troy Oz. Osmiridium (Mkt) = £ 9.53
1914: 1 Troy Oz. Osmiridium (Tasmania) = £ 5.675
1914: 1 Troy Oz. Osmiridium (Mkt) = £ 9.89
1915: 1 Troy Oz. Osmiridium (Tasmania) = £ 6.40

1916: 1 Troy Oz. Osmiridium (Tasmania) = £ 8.55
1917: 1 Troy Oz. Osmiridium (Tasmania) = £ 11.
1917: 1 Troy Oz. Osmiridium (Mkt) = £ 14.75
1917: 1 Troy Oz. Osmiridium (Mkt) = £ 18.50
1917: 1 Troy Oz. Osmiridium (Best Quality) = £ 22.50

1918: 1 Troy Oz. Osmiridium (Tasmania) = £ 7.90
1918: 1 Troy Oz. Osmiridium (Local High) = £ 14. - 15.
1918: 1 Troy Oz. Osmiridium (Mkt or avg?) = £ 27.90
1918: 1 Troy Oz. Osmiridium (Local High) = £ 37.25

1918: 1 Troy Oz. Osmiridium (Mkt) = £ 40.
1919: 1 Troy Oz. Osmiridium (Local High) = £ 33.

UK, 1918

May 1918: 1 Troy Ounce Platinum (pure ingot, London mkt) = £ 20. (USD$ )

Citation: Annual report of the Director of the Mint (Fiscal Year 1918); United States Bureau of the Mint (1918) p.159



1918: Estimated global platina produced


1918: 1 Troy Ounce Silver = £ 0.214 (USD$ 1.02)

Monthly Silver in London & New York:


The value of the British Pound against the US Dollar started deteriorating in November, 1918.

Citation: Economic World, Vol. 21 (Sept. 1921) ; Arthur Richmond Marsh p.19



January - April 1920




February 1920:


December 1921:

USA, 1918: War Platinum

The numismatic premium for a 1830 Proof 6-Rouble was 53.8% over the NY Market-Spot.  

This may be Lot 1001 in Stack's "Vermuele, Ward & Mexico Maxico" sale (New York, January 11, 2010) sold for $51,750.or 3,149% over the Pt Spot.

December, 1918: 1 Troy Oz. Platinum (Numismatic, @ .999 Pt) = USD$ 160.

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


May, 1918: 1 Troy Oz. Platinum (Official: .999?) = USD$ 105.
May, 1918: 1 Troy Oz. Palladium (Official: .999?) = USD$ 135.
May, 1918: 1 Troy Oz. Iridium (Official: .999?) = USD$ 175.

Citation: Price Bulletin, Issues 6-57 (US War Industries Board, 1919) p.75



Palladium Prices, monthly (1918): $135. - 150. (4/18) - 128.60

Citation: The Mineral Industry, Vol. 27 p.571



Early December, 1918:


1918: 1 Troy Ounce Platinum (ingot @ US Govt) = USD$ 105.

1918: 1 Troy Ounce Iridium (pure @ US Govt) = USD$ 175.

1918: 1 Troy Ounce Palladium (pure @ US Govt) = USD$ 135.

July 1918:

1918:

1916-18: 1 Troy Oz. Platinum (Colombia spot) = £ 19.56 (USD$ 93.10)
1916-18: 1 Troy Oz. Platinum (refined ingot, spot) ~ £ 22.0 (USD$ 105.)
1916-18: 1 Troy Oz. Platinum (UK scrap, Buy Rate) ~ £ 21.0 (USD$ 100.)









 Imports of PGMs:



USA Imports, Fiscal 1918:
 
History of events in US Pt mkt:



1919?