This advertisement from 1964 uses the title of Wes Montgomery's highly acclaimed 1960 album 'The Incredible Jazz Guitar of Wes Montgomery' - and highlights his use of Gibson jazz guitars. Montgomery used a Gibson L5-CES, and is pictured with one here.
The Montgomery sound is soft, delicate, exceedingly sensitive kind of music that is created deep within his being. Yes, Wes Montgomery plays a truly incredible jazz guitar. And his guitar is a Gibson.