Aero Vintage Books

19th BG, plane #36; converted B?:

https://www.ebay.com/itm/Original-WWII- ... rk:16:pf:0

Head-on shot of an F-9; nice clear view of the camera ports:

https://www.ebay.com/itm/WWII-B-17-Crew ... rk:17:pf:0

Judging by the early type tail markings, I’d say it’s B model. But, converted Bs had a wide band around the flush waist widows where it was riveted to the fuselage in place of the blister. I’m not sure I see that in the photo.