manufacture date (traditional estimates)
1937 shipment date, according to Spann's Guide to Gibson
Guitar, Style L4
Factory order number unknown
From old Mugwumps listing. . .
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