Watch List notes:

GREECE: 30 Drachmas (1964) in silver (0,835) commemorating the Royal Wedding. Conjoined busts of King Constantine II and Queen Anna-Maria facing left on obverse. Variety: Bern Mint. Inside slab by NGC "MS 64 / ROYAL WEDDING / LARGE LETTERS". Cert number: 4861586-001. (Hellas 238).