Yes this is a Scale Shipyard 1:48 scale USS Balao SS-285 class hull, the conning tower in the photo id for a Balao not a Gato. The hulls were virtually identical with the main differance being the flood holes and these would vary by builder.
The 1:48 scale Balao comes with: Hull & Conning Tower in fiberglass. Cast rudder, fore and aft dive planes as well as hatches, escape hatches, capstans, watertight cannister covers and stern chock and we provide cast WW2 Submariners patrol badges for your display stand. A set of arrangement plans for the sub was also included.
These boats are still available for $399.00 + S&H, the price has not changed in several years.
The Scale Shipyard
Largest Selection of quality fiberglass model warship & submarine hulls.