I just picked up an FN 1922 commercial with the "Eagle N" stamp. From what I can tell, everything looks right on it to be a commercial 1922. The slide however is the same serial number, with the same character, but with an extra nine in front.
Royal Thai Army : MI-17 V5 During air show at Don Mueang Air Force Base, Thailand. Don Mueang Airport (VTBD) . Units here include the VIP squadron, flying1 Embrear ERL-135LR serial number 1084/HS-AMP and serial number 1124, 2 Jetstream 41 (serial numbers 41060 and 41094), 2 Casa 212–300 (serial numbers 446 and 447) and 2 Beech 1900C-1 (serial numbers 0169 and 0170) and the 1st Infantry ...