Quote Originally Posted by Lee Enfield View Post
The majority of the "No 2" markings are engraved or handstamped at some later service point.
I have found this to be untrue...

Pistols made approximately before serial 0T27XX were not of Mk1* specification and have no slide markings. They were only on slides of pistols made after this spec change which included;

Barrel lug changed from round to square.
Extractor & ejector modified.

Source of information - Inglis Diamond.