UK, 1890: Price Peak

English speculators moved on the Russian market in May, 1890 and then a large French electrical concern paid a then-record wholesale price in the Summer of 1890.

Global Platinum market-prices elsewhere followed almost immediately, within weeks.

May, 1890: 1 Troy Ounce Platinum (Mkt) ~ £ 2.90? (USD$ 14.17)
October, 1890: 1 Troy Oz. Platinum (Mkt) = £ 4.20 (USD$ 20.41)
November, 1890: 1 Troy Oz. Platinum (Mkt) = £ 3.25 (USD$ 15.80)
 
June, 1890: The price of photographers' platino-salts had nearly doubled in a couple of months.

Citation: Anthony's Photographic Bulletin, Vol. 21, No.13. 7/12/1890; p.

June 13 1890 notice, presumably in a Circular or Price Current of June 1890 Burgoygne, Burbridges &  Monthly Magazine of Pharmacy, Chemistry, Medicine, &c.
 



Citation: The Electrical Review, Vol. 37, No. 930, 9/30/1895, p.358


Reprinting an October 1890 article from The Electrician:



October 1890:  1 Ozt. Platinum (Scrap?) = £ 2.50 (USD$ )

October 1890: 
Citation: Chemist and Druggist: The Newsweekly for Pharmacy, Vol. 39 (7/4/1891) p.13
 

January, 1891: 1 Ozt. Platinum (Scrap?) = £ 2.50 (USD$ )



DSQ
Mid 1889 price quote:

Mid? 1889: 1 Ozt. platina (Australia: Ore) = £ 1.40 - 1.50 (USD$ )

Citation: Annual Report; New South Wales. Dept. of Mines 6/25/1891



May, 1889: 1 Troy Ounce Platinum (Mkt) = £ 1.60 (USD$ 7.78)
October, 1890: 1 Troy Ounce Platinum (Mkt) = £ 4.15 (USD$ 19.96)




October 1890 Event:


1898: Assessment of the 1890 Platinum Peak: "...a combination bulled the market..."


October 1890: Platinum Thefts Noted


Base Metals Market, Sept. - Nov. 1890: Late October peak




c.1890/1:
Cost of refining platina, per Troy Oz. = £ 0.0625 - 0.1250 (USD$ 0.30 - 0.61)

Citation: Economic mining: a practical handbook for the miner, the metallurgist... ; Charles George Warnford Lock (1895) p.587
 

c. July 1890 Swan-Edison Platinum purchase rate, at £ 3.0
November 1892 Swan-Edison Platinum purchase rate, at £ 1.50

  

Numismatics:

1838 Victoria, Platinum, Eimer 1315, 36.5 mm, ~33.9 g
1838 Victoria, 24k Gold, Eimer 1315, 36.5 mm, ~31.5 g
1838 Victoria, Silver, Eimer 1315, 37 mm, 21.7 g


April 28, 1890:

March? 1890: 1 Troy Oz. Platinum (London Mkt) = £ 1.60 (USD$ 7.78)

May, 1890: 1 Troy Oz. Platinum (Russia: Refined) = £ 0.608 (16.417 руб)

June, 1890: 1 Troy Oz. Platinum (Germany: Refined) = £ 2.875 (ℳ 59.10)
c.August, 1890: 1 Troy Oz. Platinum (USA: Semi-Mfg, Trade) = £ 3.92 (USD$ 19.20) 

May 1890: 1 Troy Oz. Platinum (Numismatic) = £ 7.34 (USD$ 35.77)
May 1890: Est. 33.9 g Platinum Medal (Numismatic) = £ 8. (USD$ 39.)