A1: Anglo concertina

Keys: 30 keys and air button, metal caped
Ends: flat, made from mahogany
Bellows: 6-fold leather bellows in black
Tuning: C/G
Keyboard layout: Jeffries system
Levers: riveted
Reeds: single steel reeds in brass frames
Reed pan construction: parallel
Size: diameter 150 mm (5.9 in.)
Description: instrument with classical concertina sound