The Dual Tone was part of a series of solidbodies produced by Supro starting in the late '50s. These guitars were also distributed under the Airline brand name. Many Supro designs were made from either wood or "Res-o-glass" material. Those made from Reso-o-glass are usually more desirable for collectors.
1956 Supro Dual Tone White > Guitars Electric Solid Body
Supro Dual-Tone Semi-Hollow Electric Guitar Ermine White
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Supro 1224DBHT Limited Edition David Bowie 1961 Dual Tone Hardtail White - USED
Supro 1224DBHT Limited Edition David Bowie 1961 Dual Tone White 2019 – Chicago Music Exchange
Sold - 1965 Supro Dual Tone — Guncotton Guitars
1959 Supro Dual Tone White > Guitars Electric Solid Body
Supro David Bowie 1961 Dual Tone 466/500, White, Electric Guitar, NEW Limited
1959 Supro DualTone Solidbody Electric Guitar
Electric Guitar Airline Twin Tone Guitar Blue- Supro Dual Tone Tribute - Simpson Advanced Chiropractic & Medical Center
Supro DUAL TONE 1524 EW WH
The Dual-Tone is a reproduction of Supro’s two-pickup, Ermine White, fiberglass electric guitar that was manufactured in Chicago during the early
Supro Americana Series Dual-Tone Guitar - Ermine White
1961 Supro Dual Tone White > Guitars Electric Solid Body
Sold - 1965 Supro Dual Tone — Guncotton Guitars
Wizard of Odd: 1964 Supro Dual Tone - Premier Guitar