Is this a military pistol holster?

5 Attachment(s)

I found this at a garage sale today. It almost looks like a holster for a Russian Nagant but is a little smaller. The holster would have fit a pistol that measured about 5" long, possibly a revolver. The only marking on it is a rectangular stamping under the flap. But I can't make out what it once read. It is open at the muzzle end and has a brass grommet near the muzzle, probably to drain any accumulated moisture. I've searched through thousands of different military holsters on Ebay and haven't seen one like it. Any ideas?

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Don't think so.

Looks like it is made by a local shoe, saddle or leather maker.

Looks pretty home made with that stitch work and cutting