Mint sixpence of a very rare variety.
Type with the initials A.c.-p.T. on the sides of the cartouche with Sheaf.
Variety with errors: GASIM instead of CASIM and bad punctuation A-RGEN.
Variant with date punctuated with dots.
Beautiful background mirror. Coin with doubled minting, from the end of the sheet.
Ex. NGC MS62 (3938587-003).