Pattern coin of 2 Drachmas (1987) in copper. Nautical compartments and inscription "ΕΛΛΗΝΙΚΗ ΔΗΜΟΚΡΑΤΙΑ" on obverse. Bust of Manto Mavrogenous facing on reverse. Inside slab by PCGS "SP 63 / KM-Pn93". Unique in both companies. Cert number: 46857291. Differences from the circulation coin, such as the name on the reverse. (Hellas T.173). Extremely rare!