I have found a British helmet but I don't know if the shell is made as an MK IV or MK V, they are identical (except for the liner). I found on the world wide web that the the shells made before 1956 are MK IV and after that MK V and that this is the only way to identify them (True??).
In my shell I can't see any markings. So is there any other way to date this shell?
The shell came with a MK V liner but the chinstraps looks like the ones used by the MK III helmets.
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