Watch List notes:

GREECE: 20 Drachmas (1833) in gold (0,900). Head of King Otto facing left and inscription "ΟΘΩΝ ΒΑΣΙΛΕΥΣ ΤΗΣ ΕΛΛΑΔΟΣ" on obverse. Inside slab by NGC "AU DETAILS / CLEANED". Cert number: 5790999-010. (Hellas 117).