1924 (Loar Period) manufacture date (traditional estimates) 1924 shipment date, according to Spann's Guide to Gibson
Mandolin, Style A1
Serial 75447
Factory Order number: 11918
Description
Black finish. Snakehead. Horizontal "The Gibson" on peghead. Screw-in pickguard clamp (with original pickguard attached). Truss rod. Back binding (added later?)