Trinity College TM-625 Octave Mandolin - www.12fret.com
Gold Tone OM-800+ Octave Mandolin (Mahogany) : Amazon.ca: Musical Instruments, Stage & Studio
Micawber Haystack Octave Mandolin | Reverb Canada
Folkway Music - Beavertail Mandolin and Octave Mandolin by Canadian luthier Peter Sawchyn. Styled after Gibson's Army Navy Mandolins built 100 years ago, the. Beavertails feature X-braced tops, simple appointments and satin