Thanks, Karol. I forgot about Garry's repaint.
Roman Vasyliev also produced a series of P-12s, including the P-12E,in 1/72 and 1/48, in the markings of the 8th, 16th, 27th, and 95th Pursuit Groups and the Air Corps Training Center at Kelly Field, but they don't show up on his site at present:
Kampfflieger card models
Don