Griffin And Howe side mount
Mout has these stampings on it:
FSN 1240-647-1107
Mount Telescope
Griffin & Howe
this one is stamped U.S. So if someone was doing a build it would finish it up. USMC 1952 vintage mounts for use with the Kollmorgen 4XD scopes (MC-1952).I have asked several people about what it was worth.$1500.00 - $1900.00 this is what has come up several times. Has 26mm rings or 1inchhttps://www.milsurps.com/images/imported/deleted.gif
https://www.milsurps.com/images/imported/deleted.gif