#58 - Two Air Wooden Snuff Box Circa 1810
Maker Unknown
Very early movement.

 

Cylinder - 2 3/16"
Comb - 18 segments of 3 teeth (54 teeth)  Bass teeth on right.
Case of burrwood with tortoiseshell trimmed ends and diamond shaped inlay in lid.
Case Dimensions:  3 3/4 x 2 1/4 x 1 inches
Jewel is on bottom of endless. 
Condition:  Case's external on-off slider button doesn't always engage with the internal movement and will require a repair.