Aircraft 75, Oh! Red, which is a P-40N-1 is closer to the M in having the scalloped rear view cutouts. Quick way to tell is to see if the bottom of the canopy is parallel to the sill... here, it is:
The Banshees did fly later versions with the modified canopy. Here we see Lulu Belle 2, White 44, with the bottom of the canopy at an angle to the sill and the squared out rear quarters:
Close up of a P-40N-5 (see stenciled data) and the angled bottom of the canopy in relation to the sill even though we don't see the squared off rear panels.
