There’s not much information on the net, but i’ve established this design was registered in 1907. It is all original with orig. case. The condition is good. There are 21 keys (1 air key) in total. All notes play, it is the same note in both bellows direction, chromatic, based on the key of C, 1 1/2 octave. The bellows papers are of an unusual “maze” design. It has the usual Lachenal stamp of a reed, “trade mark” & english make” on the right hand end. There are also 2 very faint stamps “england”, on the edge of the right hand end. The case has a Lachenal & co ink stamp inside the lid. Serial # 200031.
(Note – this item is SOLD)