UK, 1876: PGMs Compared

1876: 1 Troy Ounce Platinum (mfg, retail) = £ 2.50 - 3.75 (USD$ 13.55 - 20.33)

1874: 1 Troy Ounce Platinum (mkt) = £ 1.74 (USD$ 9.43) 
1884: 1 Troy Ounce Platinum (mkt) = £ 1.47 (USD$ 7.11) 

1884: 1 Troy Ounce Platinum Scrap (refined, scrap, retail)  = £ 1.10 (USD$ 5.34)
c.1884: 1 Troy Oz Platinum (refined ingot) = £1.59
c.1884: 1 Troy Oz Platinum (refined, manufactured, retail) = £1.80


 
1874/1884 Comparison

c. 187?

1876: Republishing an English source (1875?) in Francs: