yp221

I'm not so sure that the markings on that indicate use by someone in the 90th Infantry Division. When it comes to identifying or describing a unit, usually it goes company, regiment then division which makes sense because there is only one E company in each regiment. On the other hand, there is at least four or five E companies (if not more) in an infantry division. Each one of those E companies are assigned to a division's infantry regiments, medical, engineer and other support units. It wouldn't make alot of sense to mark it with a company and division designation because the markings don'

Here's my 106th Cavalry Battle Patrol set.

Looks like he was Army, not Marine Corps.

This website has a very similar patch: http://www.usarmypatches.com/WW1 A-Z.htm Says its Headquarters Armored Units.

Castel del Monte, Italy

1939

Since this has my curiosity, I looked through a few of my references on the Arizona. I was wrong in the above post, couldn't find any life preserver's marked ARIZ. But I did find a few pics of different styles of markings from the early 30s to 1939.. None of which look like the one in the auction. Early 30s

I thought the Arizona's life preserver's were marked simply "ARIZ" (like the ship's boats).

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Class of 1951. KIA in Korea. https://www.west-point.org/users/usma1951/18275/

Looks like the type/style of rivets seen on saddles, saddle bags, rifle scabbards, etc.

Great looking helmet, here's your guy

20th Infantry Regiment. The crossed rifles make the Roman numeral for 20

Is it possibly a two digit number? Maybe it's a number to quickly identify your equipment amid lots of identical gear in the arms room or barracks. Either way it's pretty interesting.

ZC60. Its fine.