Puckerings has dated this piece to the 1910s.
The eye pieces and focusing wheel are made from carved and polished Mother of Pearl.

They come complete with their original velvet case with nickel clasp. They remain in excellent undamaged condition with good and clear magnification, great optics in good working order ready to use.
3 1/2" wide x 1 3/8" tall extending to 1 5/8" x 1" deep; the case measuring 4 1/4" x 2 1/8" x 1".
Item ID: 40130
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Puckerings has dated this piece to the 1910s.
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