Hi loogie, regarding Luger Grips. Generally, and I really mean generally, wooden grips on Military Mauser Lugers were numbered from 1934 (K-Dates) through mid 1935 (G-Dates), then not numbered until early 1937. Then numbered from early 1937 until early 1939 (about the end of 1939 S/42 production. The remaining 1939 production was not numbered. Numbering started again in 1940 and continued for the rest of the Luger Production (1942). Remember, I said
GENERALLY!!