Bjärton Acoustic nylonstring model Isabella. 1976.

Mint cond. Specifications: Body width: 380 mm. Body length: 490 mm. Scale length: 630 mm. Spruce top with fan bracing & soundhole ornament. Mahogany back & sides. 4-ply bound top. Single-bound (black) soundhole. Single-bound back. Mahogany neck. Unbound rosewood fingerboard with dot inlay. Strip tuners. Natural top finish. Black neck finish. 5 year warranty. Introduced: ca 1954 Earliest known example: 1955 ca 1956: Changed headstock design. ca 1957: Changed rosette design. ca 1958: Scale length: 650 mm. Fingerboard ends straight. Changed rosette design. ca 1963: Also available for export under the Hagström brand. Marketed in the U.S.A. as Hagström HC-15 and as Hagström HC-4 in Canada. ca 1967: Changed headstock design. 10 year warranty. ca 1967: Body width: 370 mm. Sloped shoulders. 5-ply bound (white/red/green/red/black) top. Changed rosette design. Double-bound (white/red) soundhole. Natural finished neck. No fingerboard inlay. ca 1970: Fingerboard ends rounded. Nylon-string tuners. ca 1971: Vertical headstock logo. ca 1975: Single-bound (red) soundhole. ca 197?: 5-ply bound top. ca 1979: Marketed in Germany as Hagström Victoria. ca 198?: Triple-ply bound top with black outer layer. Changed rosette design. Single-bound (black) soundhole. Latest known example: 225877 (ca 1984) .