Vietnam era, rolling block single shot .22. Used by the USMC for competition events. Complete wooden carrying box, all hand attachments for competition shooting. Used in the 50s and 60s and early 70s. Story has it, this particular.22 won gold at the '68 Mexico Olympics.No documentation but it is known to be in excellent condition for its age and actually has a twin practice rifle to it with redfield peep sights. Do your research and Give me an offer as i already know what the auction houses will pay but id rather not do that. Let me know, I'd like to move this ASAP.