Concertina

English-system concertina. Flat rosewood ends, 6.25in/159mm across parallel sides, with bevelled edges and simple fretwork. 48 buttons: 24 each side, ivory with black accidentals, stamped and bushed: left-hand two missing, right-hand seven missing. Round-end brass and steel mixed reeds. Five-fold black leather bellows, gold on white floral papers, possibly later, since case has extended lid. Later leather straps with nickel screws. No label or serial number.