United Kingdom Guild advertisement for two new solid body models, the S-300 guitar and single pickup B-301 bass.
These were, of course, the all-mahogany versions of these guitars; the B-301A and S-300A, made from Ash followed towards the tail end of 1977.
This advertisement was placed in the 1977 issues of UK magazines Beat Instrumental and Guitar.
First in Guild's new generation of solid body guitars and basses. Not just a superficial redesign, but a complete rethinking of the instrument and its function in the hands of the artist-player

Guild B-301 - Here Now! Guild B-301
Early advert for Guild's redesigned solid bodies of the mid/late Seventies. This advertisement was placed as early as June 1977, and as late as May 1978, in both British and American music magazines.
Guild S-300 - The New Guilds Are Here
Late 1977 UK advertisement for the new Guild S-300 guitar and B-301 / B-302 basses. The S-300 (in white) is advertised as available with Guild (as shown) or DiMarzio pickups. The bass pictured is t...
Guild S-300 - Youve made it the most popular solid body guitar weve ever built
The Guild S-300 came in a number of variations, the model pictured is an S-300D, signifying the standard mahogany body and neck with (D) DiMarzio PAF and Super Distortion humbuckers. Non-D versions...
Guild B-301 - Let out your bass instincts
String advert for Guild roundwound, flatwound and groundwound strings. Features John McVie of Fleetwood Mac with a Guild B-301A bass
Guild S-300 - The Guild Rush
The Guild S-300 came in a number of variations, the model pictured is an S300-AD, signifying (A) ash body and maple neck, and (D) DiMarzio PAF and Super Distortion humbuckers.
Guild S-300 - Balance of Power
1981 Guitar Player advertisement for Guild solid body guitars, featuring the S-300, available since 1977. The S-300 was available with different body and neck woods and a choice of Guild or Dimarzi...