So my lottery number came up and the CMP sent me this Colt Field Grade. Looks to have a O-68 etched below the serial number (see last photo). Possible Marine Corps rebuild?
https://www.milsurps.com/images/impo.../qpqCeJq-1.jpg
https://www.milsurps.com/images/impo.../fsUogy1-1.jpg
https://www.milsurps.com/images/impo...VUvBjpg1-1.jpg
https://www.milsurps.com/images/impo...41MVjpg1-1.jpg
thanks
Jon