Paya Junker airplane D-1929 windup Tin toy 1970 Spain

Here we have an earlier model from Paya Spain. It measures 6 inches long, it has D-1929 on both wings and 2 Lufthansa stickers (probably not original).  The motor cannot be wound but the propellor moves when you move the wheels by hand. Completely made out of tin and the wings are moving like they should and stay in place. On the bottom is the number R-0024. It is in an overall good original condition with some signs of age. Check the attached video for a great vintage toy collection!