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Stolen Instrument: Sigma SDR-28H Korea Serial Number 91122435
Jaimie Muehlhausen // Vibrosonic Design
Sigma DM12-5 12-String Acoustic Guitar – Ish Guitars
1974 Martin Sigma Sbg2-9 (I think) What can you tell me about this guitar? What it might be worth? I am not finding much online. I have read that they only made
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Sigma Guitars Serial Numbers
Jaimie Muehlhausen // Vibrosonic Design
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SIGMA DR-2 #9008000014 | guitar-list
