Vintage Hohner Button Accordion "Pokerwork" St. John's (Avalon) $1,250.00 HOHNER, Hohner Pokerwork International model HA-2815 in the key of GC. Two sets of reeds. Treble/Bass: 21 treble buttons - 8 bass buttons and weighs 6 pounds (2.7 kgs) ... Last Updated 2 weeks ago