Martin Sigma GCR-7 Grand Concert 000 Acoustic Electric Guitar '74

VINTAGE 1970 ACOUSTIC MARTIN SIGMA GUITAR RARE GCS-7 / GCR-7 ZERO

Martin CEO-7 Acoustic Guitar - Teardrop Sunburst – Walt Grace Vintage

SIGMA Acoustic Guitars

2004 Martin 000-15S with Fishman Pickup & Hard Case

Martin CEO-7 00 Grand Concert Acoustic Guitar Sunburst

Sigma Guitars

Martin CEO-7 Left-Handed Grand Concert Acoustic Guitar Sunburst

SIGMA Acoustic Guitars

Martin Sigma GCR-7 Grand Concert 000 Acoustic Electric Guitar '74

1970-1979 Martin Sigma GCR-7 (Grand Concert Rosewood Grade 7). Beautiful guitar that sounds amazing. Rare guitar made in Japan. Well kept overtime.

Sigma GCR-7 1970-1979

1970s Martin Sigma acoustic GCR-7 Japan - NO RESERVE