Walter Grigg Jumbo Grand Daddy Barlow design folder with Rosewood scales, originally owned by Ret. Army Colonel Thomas "Tom" Myerchin. Tom was a highly decorated Special Forces Green Beret with several tours in Viet Nam. His rank and name along with Infantry are engraved on the reverse nickel-silver bolster.
His full career is highlighted below:
http://www.myerchin.org/TMThomasBarbaraMyerchin.html