A well detailed and presented waterline display model of the Porpoise Class submarine H.M.S. 'Sealion' of 1959, pennant no. 507, with deck details including buoy radome jack-staff, bow planes, hatches, sail, members of the crew, whip and other aerials, navigation lights, aft deck details, stern planes and white ensign. Finished in black and mounted on a painted moulded seascape, brass bound, glazed case. Measurements overall - 13¾ x 50½ins (35 x 128.5cms).