Platinum Price in Sterling, 1846 : Ore, Refined & Manufactured (vs. Silver)

1846: 1 Troy Oz. Platinum (refined, ingot, whols.)  =  £ 1.50 - 1.75 ($ 7.50 - 8.45)

1846: 1 Troy Oz. Platinum (refined, ingot, ret.)  =  £ 2.00 - 2.50 ($ 10.00 - 10.85)
1846: 1 Troy Oz. Platinum (refined, mfg., whols.)  =  £ 1.60 - 2.10 ($ 8.00 - 10.15)
1846: 1 Troy Oz. Platinum (refined, mfg., ret.)  =  £ 2.10 - 2.60 ($ 10.50 - 12.50)
Citation: The eclectic magazine of foreign literature ..., Volume 2; Volume 9, (1846) p.370 footnote:

c.1845, presumed refined & pure Platinum-ware, retail:

1842/3: 1 Troy Oz. Platinum (refined, wire, whols.)  ~  £ 1.0 ($ 4.87)