Brand new and unused USMC marked leather holster.
Specifically marked as being for 9mm (Beretta 92FS/US M9) but these also do seem to fit standard size US Government style 1911's.
Manufactured by Cathey Enterprises LLC.
P/N (53711) 6086011
May have minor storage wear.
These have 1910 style hooks for attachment to US ALICE style equipment, along with a loop for a belt to pass through.