manufacture date (traditional estimates)
1917 shipment date, according to Spann's Guide to Gibson
Mandolin, Style D
Factory order number unknown
Flat top/back mandolin (Army/Navy ?)
From Gryphon Strings.
Frank Ford is on of the founders of Gryphon Strings. Frank is world-renowned as a master repairman and an expert on vintage mandolins. Gryphon often carries very nice vintage mandolins. Frank is also the author of Frets.com, a website well worth the visit for instrument fans, luthiers, and repairmen