This July 1965 advertisement from Gretsh announces the new 1965 catalog (see a scan here), or catalog #32.
This new free catalog in full color tells you everything you want to know about the complete Gretsch collection of quality guitars: Exclusive hollow body and solid body electrics, folk and classics; amplifiers and strings. There is the sensational new Viking guitar, most advanced guitar on the market - new Gretsch "T" zone tempered treble, dual Super'Tron heads, exclusive built-in Gretsch Vibrato. Virtually the guitar with everything!
There are the sensational Chet Atkins guitars and amplifier - designed from this famous RCA-Victor star's personal suggestions.