Puckerings has dated this piece to the 1920s.
The guilloche enamel is one of the most desirable, a delicate powder blue and in pristine condition.

There is an engraving to the top brass bar " J. Duvelleroy / London ". This pair comes with a soft leather purse style case in good condition and fully functional.
Item ID: 30638
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Puckerings has dated this piece to the 1920s.
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