1960s Colombian Tiple/Octave Mandolin Conversion
Blueridge BR-40TCE to Octave Mandolin conversion demo - YouTube
Mandolin Cafe Forum
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))
Baxendale '50s Kay L3113 Octave Mandolin Conversion – Telluride Music Co.
USED Heiss Octave Mandolin (50's Kay Archtop Conversion)
1968 Gibson B-15 Bouzouki (or Octave Mandolin) Conversion (Vintage, Old) | Reverb
Mandocello conversion | TalkBass.com
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 mini strat conversion - Black | eBay
MORTone Electric Octave mandolin mini strat conversion - Black | eBay
2000s Cuatro/10-String Octave Mandolin Conversion
Octave Mandolin Conversion – twocargar.com
1990s/2019 Lotus 5-String Electric Octave Mandolin Conversion
MORTone 8 string Electric Mandocello conversion of telecaster 221029C
Electric octave mandolin conversion of a 170 style guitar - YouTube
MORTone Irish Bouzouki / Octave Mandolin conversion of 3/4 size guitar with options | Reverb
1930s Pluckthun Waldzither/Octave Mandolin Conversion
Baxendale '50s Kay L3113 Octave Mandolin Conversion – Telluride Music Co.
Converting To An Octave Mandolin. Maybe. | Fender Stratocaster Guitar Forum
1910s Weymann Mandolute Mandola (Octave Mandolin Conversion)
