Pushing either spoon, results in a C, and pulling a G. We believe this is the HA-112 model. The two knobs stick a little when pushing/pulling.
Vintage Hohner Pokerwork Diatonic Button Accordion - Key of C/F
Vintage Hohner MarcaRegistrada Diatonic ButtonAccordion/Melodeon Made In Germany
Vintage Hohner Concertone 2 Row Diatonic Button Accordion - Tone of A/D
Vintage Hohner Morino Club Diatonic Accordion
VINTAGE HOHNER MELODEON SINGLE ROW G DIATONIC ACCORDION