Gi Stell Helmet found today

Harlan, today I picked up a GI steel helmet with liner, web netting like I used to see on WWII helmets over the steel pot, lining has para chin strap, etc. Its missing the metal "A" catch? and doesnn't have a leather sweat band. Otherwise its in nice condition. The inside on the band is hard to read but beginning with the top line..which is clear...it says:

Liner, Soldiers steel helmet
(then a longish word unintelligible)
TYPE II (then large numeral) 4
(another word U/I...maybe AGE on end?)
followed by another U/I word then "64F"

Can you shed any light on this ? I'm assuming its a VN era helmet? Any idea where I might find the A catch and sweat band? I have some pics I can email but can't locate them using the "manage" box below....I'm not too swift with this stuff...sorry.

Thanks.

J Murray,Inc. and Top Pots has helmets and parts available.


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Thanks for ref. Found that one thing mine needs is the hook that goes on the buckle...not what I called an "A" catch above. Don't know diddly about helmets but saw this one at an antique bike show today at Denton NC for $35 and could tell it was real and not repro. Need to find someone I can send pics to for more precise ident since I can't figure how to post them here. If anyone is willing to take a look, PM me with an email addee and I'll send some pics. Haven't quite figured how to get the liner hooks off the swivels so I can take a better look at the two parts.

This is the jumper we're talking about on the other thread? In which case I'm looking for a strap.