Watch List notes:

WORLD COINS. Mexico. Philip II (1556-1598), Silver "Royal" 8-Reales, Mexico City, undated, Assayer F, 21.98g (Cal 153, only one specimen recorded). Ex sea-salvage, waterworn and the edge ragged in part, however a full round strike and a pleasing example of an extremely rare coin.

Estimate: £15,000-20,000