The bending and lamination process is a difficult one and several rims might come off the mold with unsightly glue joints. Gibson made great strides with one problem that plagued most banjo makers. Identifying Gibson instruments by serial number is tricky utilizes an impressed eight digit numbering scheme that covers both serializing and dating. Martin and Company, Gibson's prewar and wartime numbering system is extremely convoluted and often counterintuitive. No-hole ring, Krishner, diamonds, round hooks. RB-4 Mastertonethe "Reid Rakes".
TB-2the "Edgar G.
Siminoff Banjo & Mandolin Parts
Banjo Hangout banjo Discussion Forums. The numbering system used by Gibson to choose their serial numbers was counterintuitive during their prewar period. I have another with identical neck that has serial number RB-1the "A. Shoes, Resonatorcut for flathead ring. At some point inthe company began to work on a simple open-back banjo. Look for the serial number on the back of the Gibson has been using a consistent dating method since.