Old Stanley Boxwood and Brass 12 Inch Folding Ruler with Caliper storage box measures 1 7/8" in diameter

measures 1 7/8" in diameter and 1" tall

I am not quite sure whether to call this a button or a sign or a what--it is celluloid like a button

it's honest

it is signed both on the face and on the back with what looks to be RGI or perhaps AGI

curious little objects I could never pass one by

Old Stanley Boxwood and Brass 12 Inch Folding Ruler with Caliper storage box measures 1 7/8" in diameterSince finding a few of them recently, I've been keeping an eye out for old folding rulers when I'm out and about; I think they're just great looking, as well as a treat to use. This is a Stanley model 36 1 2" twelve inches unfolded, with a brass caliper that extends another five inches. There remains brass pin near the opening end which locks into the opposite side to hold it closed. 6 3 4" l x 1 3 8" w x 1 8" d when folded. I have not touched either