A late 18th/early 19th century silver cage corkscrew

细节
A late 18th/early 19th century silver cage corkscrew
with tapering steel handle, the cage with four apertures and cone worm protector, the cage and cone both engraved with a monogram, archimedian screw, small chip on web, probably French, apparently unmarked.
See Front Cover Illustration
出版
Watney & Babbidge, Pl. 24