A late 19th Century American lever in a silver open face case with enamel masonic miniature. Full plate gilt keywind movement, plain cock, polished steel regulator, plain three arm steel balance with blue steel spiral hairspring. Club foot lever escapement. Off white enamel dial with subsidiary seconds, Roman numerals, blue steel seconds hand, gilt hands. Plain silver open face case with a later polychrome enamel oval miniature on the back depicting a Mason in full regalia, maker's mark “A.B” in a rectangle.