Most B-25's had a cherry sunburst finish, but there were a limited number of ebony finish editions with white pickguards. Gibson manufactured this edition from 1962 through 1968.
From 1966 – 1968, the natural finish B-25-N-3/4 was also available.
Be aware that the Gibson J-45 was not first produced until 1942.
In recent years, counterfeit versions of the popular guitar ave surfaced. Next, check for the serial number on the back of the headstock. Modern numbers are 9 digits but older/vintage Gibson guitars are much shorter.
If your guitar has an eight-digit serial number, it contains the year, date and the factory ranking number for the instrument.
Make note of how the serial number will represent this information by referring to the sequence YDDDYRRR.
The short scale editions were marketed as "student" guitars.
Gibson used and reused numbers, changed numbering systems, and generally did not give much consideration to sequential numbering prior to its 1975 serial number system. This comprehensive guide will show all possible derivations of the old Gibson numbering system with information arranged by year.The B-45 was only available as a 12-string edition; the B-25 was available as a standard edition, a 12-string edition, and a ¾ scale body edition; and the B-15 was only available as a standard edition.