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 slab by PCGS "PR 67 DCAM". Cert number: 39729497. Acompanied by its official case with CoA with no "002352". (Hellas CD.27).