Doing more research, I believe the flag is from the 1950s or early 60s.   The military stopped using wool and began using synthetics in the later 60s.  

I don’t believe you are correct.   The Vietnam flag has a yellow star.  Although the lighting may not be the best in my photos, the star on my flag is white. 

The Vietnamese flag has a yellow star.

Might want to google it. Spoiler alert: It's the flag of Vietnam.

here is my serial 21358xx Remington Rand. and the slide stop I believe is correct for this serial range.    

Thanks!

Great finds!   When I was about 10 I was in the UK with my dad visiting some family friends and at a flea market there I did get a 1939 dated early Mk.II helmet, all correct and complete in good condition for a whopping £1,-. I still have it, in fact it is about 3 meters away from when I type this 🙂   What Dinky Toys did you find? Those are also one of my many side-collections 🤭  

Wow, very nice.  Congrats!

This is my first dog tag and rabies tag to a US Marine sentry dog named Stoney who served at the Chu Lai Marine Air Base with MABS-12.  He got his rabies vaccine from the 175th Vet. Det., an Army unit base at Da Nang.  Also includes a dog tag and ega from his handler.  According to Stoney's dog tag it looks like he had the same serial number as his handler.  Fresh out of a local estate sale.

Nice flag! I don’t know anything about flags but I’m sure someone on here can help date it.