Andrew Nethercott Antiques has dated this piece to the 1910s.
Tapered stitched leather hide covered tube, nickel plated brass fittings.
The eyepiece with pivoted cover, the objective with screw fitted shade tube.

Fully dismantles for cleaning, clear bright optics throughout.
Length closed 28,3/4? or 730mm, weight 1502 grams
Objective diameter 2,1/4? or 56mm.
The five lens optical system in excellent condition giving a good, strong, crystal clear image.
About 20x magnification with a small field of vision.
Andrew Nethercott Antiques has dated this piece to the 1910s.
Works of art, collectables, scientific and decorative antiques from the 17th - 20th century
You can view the stock and full dealer information on the Andrew Nethercott Antiques Profile Page