§ Commodore KING
The average value at mines and quarries in 1920 of black tin containing on the average 66 per cent. of metal was £171 14s. per ton, and in 1927 of black tin containing on the average 63 per cent. of metal £151 9s. 9d. per ton. The average prices of metallic tin for the same years were 2296 1s. 7d. and £288 19s. 3d., respectively.