Although the English spot price was basically unknown, recorded catalogue & 'common prices' for refined platinum (wire, sheet & plate) reveal a stability & consistency in the UK market between 1840 - 1880.
While the price for refined Silver fell by ~ 15% from 1840 -80, the Price of Platinum fluctuated.
From 1880 - 1903, POS @ London collapsed 50% ; in the same period, Platinum rose nearly 250%.
From 1903 -1919, POS @ London doubled; in the same period, Platinum rose nearly 600%.
c. 1840 1 Troy Ounce Platinum (manufactured, retail) ~ £ 1.45 (USD$ 7.07)
While the price for refined Silver fell by ~ 15% from 1840 -80, the Price of Platinum fluctuated.
From 1880 - 1903, POS @ London collapsed 50% ; in the same period, Platinum rose nearly 250%.
From 1903 -1919, POS @ London doubled; in the same period, Platinum rose nearly 600%.
c. 1840 1 Troy Ounce Platinum (manufactured, retail) ~ £ 1.45 (USD$ 7.07)
1850: 1 Troy Ounce Platinum (refined, wholesale) = £ 1.60 (USD$ 7.79)
1860: 1 Troy Ounce Platinum (refined, wholesale) = £ 1.50 (USD$ 7.76)
1873: 1 Troy Ounce Platinum (refined, manfactured, retail) = £ 1.60 (USD$ 8.88)
1880: 1 Troy Ounce Platinum (refined, semi-mfg, retail ) = £ 1.60 (USD$ 7.74)
1890: 1 Troy Ounce Platinum (refined, retail) = £ 4.0 (USD$ 19.44) 1903: 1 Troy Ounce Platinum (avg. ingot price) = £ 4.3 (USD$ 20.92)
1919: 1 Troy Ounce Platinum (avg. ingot price) = £ 24. (USD$ 106.32)
c.1842: 1 Troy Ounce platina (wholesale) ~ £ 0.85 (USD$ 4.07)
1833-
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