Lockheed Model 14 Super Electra
The Lockheed Model 14 Super Electra was an American civil passenger and cargo aircraft built by the Lockheed Aircraft Corporation during the late 1930s. An outgrowth of the earlier Model 10 Electra, the Model 14 was also developed into larger, more capable civil and military versions.
Source: Wikipedia — Lockheed Model 14 Super Electra (CC BY-SA 4.0)