USA, 1890s: Palladium Price

1891/2: 1 Troy Ounce Palladium (commercial?)  = USD$ 27.43

1892: 1 Troy Ounce Palladium (commercial)  =   = £ 4.67 (USD$ 22.72)

c.1892:

Citation: Ice and refrigeration, Vol. 3 By Southern Ice Exchange (1892) p.279

January, 1899: 1 Troy Ounce Palladium (refined, mfg)  = USD$ 52.87

Citation: Prospecting, locating, and valuing mines: A practical treatise for the use ... By Richard Henry Stretch (1899) p.333