Poland, PRL (1952-1989), Gdansk. Medal 1977, Five Hundredth Ship for Soviet Shipowner, Lenin Shipyard Gdansk, MMP 77/461, Paszkowycz 82/77, designed by I. Urbaniak - Zalewska, mintage 600 pcs, Silver plated Bronze 67 x 67 mm, weight 144,10 g., Condition aUNC, patina