Chris, I have no idea why the heat stamp would not have a letter, not sure that they all did, one of the experts on M-1s would have to chime in on that. I do know that the McCord date chart makes no referance to the letters, only the numbers so I'm thinking that the letter identifed something of less significants. I've not even really noted if all my WWII period M-1s have letters on the heat stamp or not, something I will look at however.
Being a stainless rim, it seems possible that one could have been put on backwards (seam to the rear) by mistake I guess, I'm not sure what the process for installing these were. Had it been a non-stainless rim I'd say something was wrong with the dating of this helmet as being a year off, the non-stainless rims were probably not even near being produced yet.
Great thread. Interesting info. Thanks.
Thank you for your help Russ.
any pics on the way chris?a pointless thread without the pics to support the discussion,cheers dave.
Any chance of a nice clear pic of the spot welds where the rim is joined?
[/COLOR][CENTER][COLOR=#ff0000][SIZE=3]URGENTLY LOOKING FOR: 1982 era Argentine military issue goggles. Fravida 109, and "Sanbuee" French lens type
[/SIZE]Have a look at my 20+ (so far, work in progress) albums for lots of M1's, rare liners and other stuff, including WW2British helmets, Falklands battlefield pickup helmets and let me know what you think!