A faceted steel folding bow pocket corkscrew with perfect square wire helical worm. This example is marked “R MC QUEEN & SON” on the bow. Circa 1870. This example is illustrated on page 60 of ‘Corkscrews’ by Frank and Barbara Ellis. (Provenance: Frank Ellis Collection 2012)
A faceted steel folding bow pocket corkscrew with perfect square wire helical worm, Circa 1870.