The pinhole camera was constructed from a Kodak No. 2 Folding
Cartridge Hawkeye (c1926-1933.)  I used a pinhole I fabricated some time ago.
The vignetting is caused by the pinhole being located behind the hole under the KODO label.
Arista EDU Ultra 400 film. Exposures were in the seven second range under cloudy conditions.

The Reversed lens Brownie Hawkeye Flash camera used Arista EDU
Ultra 100 film.