M40 #39 it was then primed and

it was then primed and painted in olive-drab with a coarse textured outer surface

It has the factory stamps NS64 (Vereinigte Deutsche Nickelwerke) and the lot number is D253

The third configuration seems to be for the Norwegians

The factory stamps under the flare are EB II 1942 (Eveson Bros of Worcester)

M40 #39 it was then primed andM40 #39 Shell: The shell is in first class condition and is painted in blue grey with a textured outer. The maker size and lot number stamps are at the rear and read Q66 and S4409. An acceptance stamp has been applied to the inner dome though is little hard to see against the blue grey colour. Liner: The liner is a superb replacement M1931 helmet liner, with a zinc outer band and pig skin leather. The leather is ink marked as size 59 (59cm head size).