[Long war story]
No, this isn't about a WWII CMP gun, but about a 1970 (almost C&R) Mk IV 70 series.
Actually, I wouldn't even call it a 70 "series", this is one of the original 1970s 1911s.
Bought while still an E4 earning a whopping $3,000/yr from USAF. Had to have it. Local gun store out...