Glommed this at an on-line auction tonight...
https://www.milsurps.com/images/impo.../M2830a1-1.jpg
https://www.milsurps.com/images/impo...1/M28301-1.jpg
Description advised:
Finnish Nagant 1939 Sky 7.62x54. SN# 662xx.
Better pics/description when it arrives