An English late 18th/early 19th century steel picnic corkscrew, with turned tapering sheath, corroded and with notched loop and double knop shank, wire helix; and a picnic corkscrew, with turned tapering sheath and faceted eye with double knop shank,

细节
An English late 18th/early 19th century steel picnic corkscrew,
with turned tapering sheath, corroded and with notched loop and double knop shank, wire helix; and a picnic corkscrew, with turned tapering sheath and faceted eye with double knop shank, wire helix.
See Plate 3 (2)