Watch List notes:

GREECE: 500 Drachmas (1991) in silver (0,900) commemorating the XI Mediterranean Games. Dolphin, logo of the Games and inscription "ΧΙ ΜΕΣΟΓΕΙΑΚΟΙ ΑΓΩΝΕΣ ΑΘΗΝΑ 1991" on obverse. Inside official case of issue by the Bank of Greece with CoA with no "001645". (Hellas CD.27). Proof.