2-Reales, 16( ), mint mark Mo and assayer F left of shield (unlisted in Calico and Castan-Cayon), a sea salvaged piece, fine, with a clear date, very rare, shows 1603 date but re-engraved

Details
2-Reales, 16( ), mint mark Mo and assayer F left of shield (unlisted in Calico and Castan-Cayon), a sea salvaged piece, fine, with a clear date, very rare, shows 1603 date but re-engraved