An Expert four-spring soundbox
with replacement gold-coloured diaphragm and original diaphragm, in maker's carton; an Expert fibre cutter; and another, marked R.W. (?Rimington van Wyck) (3)
An Expert four-spring soundbox
with replacement gold-coloured diaphragm and original diaphragm, in maker's carton; an Expert fibre cutter; and another, marked R.W. (?Rimington van Wyck) (3)
