Four Italian corkscrews:
a 19th century all brass massive four pillar corkscrew (square posts, some with minor damage) Archimedean screw, circa 1880;
a smaller version (pillars distorted), traces of plating;
a brass two pillar corkscrew with butterfly wing nut; and
a two pillar wing nut corkscrew with square section pillars, centre worm.
See Plate 10 (4)