Puckerings has dated this piece to the 1880s.

The come in a (new) velvet pouch. Fully working and functional and the brass professionally cleaned and polished.
Excellent condition measuring 4 1/2" wide x 2 1/2" extending to 3 1/2" x 1 5/8" thick.
Item: 35102
Puckerings has dated this piece to the 1880s.
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