Tested and working.
Vintage Oscar Schmidt Chromatic Tuner OST-5 Acoustic & Electric Guitars Japan
Vintage Oscar Schmidt OST-5 Chromatic Tuner - Made in Japan - Boxed with Manual
Vintage Oscar Schmidt soprano ukulele
Vintage Oscar Schmidt Autoharp 36 string 12 Chord w Parade Volume 1 & 2 Tuning
Vintage Oscar Schmidt Autoharp with 12 Chords Needs Some Work
Oscar Schmidt OS15B Autoharp
