I had never noticed the difference in some of the HJ blades until I bought the HJ shown previously with the inscribed handle.
The knife on the left is an RZM marked M7 / 51 dated 1936, and the knife on the lefr is the inscribed M7 / 37. The difference in weight is very noticeable.
The knife on the left is an RZM marked M7 / 51 dated 1936, and the knife on the lefr is the inscribed M7 / 37. The difference in weight is very noticeable.
![](http://i50.tinypic.com/13z5pns.jpg)
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