Here are some photos I took these Brunner-Winkle Bird examples at the Udvar-Hazy, WAAAM and the Yanks Air Museum in Chino CA
1929 Brunner-Winkle Bird A #1046
WAAAM, Hood River 2021
1929 Brunner-Winkle Bird A #1060
WAAAM, Hood River 2021
Identified at the museum as Bird CK