Just in from the UK (thanks Stewart at Oldbrigade) is this 1941 No Motto HJ Knife.
What is different about this knife is that it has the 41 date and the RZM 7/66 only... no seated squirrel mark.
This now makes my third 41 dated knife, one with the date of 41 only, one with the date of 41 and the transitional mark with the squirrel and RZM code and this one with the date of 41 and the RZM code only.
Here is the knife and the blades from the other two versions.