Piper L-4H Grasshopper at the Evergreen Aviation Museum, NMoUSAF and Paine Field. I have photographed several of the civilian version in the markings of an L-4 Grasshopper — they are included on a separate page for the Piper J-3 Cub.
L-4A 42-36790
painted as 42-36389
NMoUSAF 2018
L-4H Grasshopper
Evergreen Aviation Museum 2015
Evergreen Museum 2018
1943 Piper L-4A Grasshopper (O-59A) #8570
L-4A 42-36446 painted as J3C-65-8