GREECE: 500 Drachmas (1991) in silver (0,900) commemorating the XI Mediterranean Games. Dolphin and logo of the Games and inscription "ΧΙ ΜΕΣΟΓΕΙΑΚΟΙ ΑΓΩΝΕΣ ΑΘΗΝΑ 1991" on obverse. Composition from flags borderlines with only the first to be the Greek one on reverse. (Hellas CD.27). Proof.