A French Jean Boule 1888 Patent corkscrew no. 187205,
A French Jean Boule 1888 Patent corkscrew no. 187205,

細節
A French Jean Boule 1888 Patent corkscrew no. 187205,
with hinged locking clip on the wing nut handle, marked with trademark JB within a star, centre worm, slightly bent.
See Plate 6