Sigma by MARTIN Acoustic Guitar 1970 / 1971 vintage dreadnought | Reverb
Sigma Guitars 15 Series S000M-15E | Perth Western Australia — Crescendo Music Perth, Australia
Sigma Guitars - Rimmers Music | Blog
SIGMA GM12E-BKB GITARA ELEKTRO-AKUSTIČNA
Sigma JRC-40E elektro-akustična gitara
Akustična gitara SIGMA 000M-15 HITNO
I bought this 1978 Sigma Guitar off of Ebay. Got it for about $200 (+ another $200 for shipping from Portland to Chicago!) It had not arrived yet but I would like