Watch List notes:

Enameled Maple Leaf on front in tri-colours. Very Good condition. (A & J.Z. makers mark in rectangle. Arthur & John Zimmerman or A & J Zimmerman, Ltd). The firm was founded in 1879 by Arthur S. and John Ulrich Zimmerman, in Birmingham and became a limited company in 1902. The company had workshops in both Birmingham and London and were most prolific in the last decade of the 19th century. 32mm.