Just wondering if the upper wood structure and the rear window framing and jointery on an M-2/M-4 Coupe would have any similarity as your M-2 sedan? The sedan of coarse would have a center mortase for the door pillars and longer top rails.
Where Are You From? Leavenworth, WA / Yuma, AZ
Do You own a car built by Durant? '25 Flint H-40 2door / '25 B-40 Touring / '29 D-40 Coupe / '23 A-22 Touring