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.
Supro Dual-Tone Guitar Demo
1964 Supro Dual Tone Res-O-Glass White Finish Electric Guitar
Supro Dual Tone 1961 White
1956 Supro Dual Tone White > Guitars Electric Solid Body
2017 Supro Dual Tone 1524EW electric guitar, made in China
Supro Americana Series Dual-Tone - Ermine White
OFFLINE Supro David Bowie Ltd Edition Dual Tone, Arctic White at Gear4music
Supro Dual Tone 1959 White Guitar For Sale GuitarPoint
Supro 1224DBHT Limited Edition David Bowie 1961 Dual Tone White 2019
Supro 1224DBHT Limited Edition David Bowie 1961 Dual Tone White 2019 – Chicago Music Exchange
David Bowie Supro Dual Tone “White Dwarf”Birthday guitar Limited # 475 Of 500