Piper PA-12 Super Cruiser
The Piper PA-12 Super Cruiser is an American three-seat, high wing, single-engine conventional landing gear-equipped light aircraft that was produced by Piper Aircraft between 1946-48. The PA-12 was an upgraded and redesignated Piper J-5.
Source: Wikipedia — Piper PA-12 Super Cruiser (CC BY-SA 4.0)