Puckerings has dated this piece to the 1920s.
They are fitted with folding eye shades to minimise glare in bright sunshine. The central section is most tactile with a textured grip where they would be held,

Excellent condition measuring 4 5/8" wide x 4 5/8" tall extending to 6 1/2" while fully extended and the sun shades pulled out. They are signed by the Welsh retailer / optician, Ewer & Leahy Cardiff. The case measures 5 5/8" x 3" x 5 1/2".
Item ID: 40055
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Puckerings has dated this piece to the 1920s.
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