Taylor GS Mini to octave mandolin conversion played without - YouTube
c.1920 Frank Borges Octave Mandolin Conversion
Octave Mandolin conversion Quilt Top - choice of colors (Color: Green, Tuning (low to high) for your application: GDAE unison (octave mandolin))
MORTone electric octave mandolin conversion 220928A | Reverb
Mandocello conversion | TalkBass.com
MORTone Electric Octave mandolin mini strat conversion - Black | eBay
I couldn't afford an actual mandocello, so I decided to make my own out of an old archtop guitar. : r/mandolin
Mustang Octave Mandolin conversion (made to order) with color and tuning options (Color: Green, Tuning (low to high) for your application: GDAD unison (Irish bouzouki))
Octave Mandolin Conversion – twocargar.com
MORTone Irish Bouzouki / Octave Mandolin conversion of 3/4 size guitar with options | Reverb
Dean Exotica 10-string Cittern / Octave Mandolin conversion Excellent Acoustic Electric | Reverb
Mustang Octave Mandolin conversion (made to order) with color and tuning options (Color: Green, Tuning (low to high) for your application: GDAD unison (Irish bouzouki))
The Flat Top Octave Mandolin — Northfield Mandolins