An English late 18th/early 19th century steel finger ring picnic corkscrew
An English late 18th/early 19th century steel finger ring picnic corkscrew

细节
An English late 18th/early 19th century steel finger ring picnic corkscrew
with faceted loop, double knop shank and turned sheath, wire helix, 11cm.
See Back Cover and Plate 7