Focke-Wulf Fw 44 Stieglitz
The Focke-Wulf Fw 44 Stieglitz (Goldfinch) is a twin-seat biplane designed and produced by the German aircraft manufacturer Focke-Wulf. It was the company's first major international success.
Source: Wikipedia — Focke-Wulf Fw 44 Stieglitz (CC BY-SA 4.0)