Thomason Type King’s Corkscrew With Patent Badge c1820

Heading : Thomason type King’s corkscrew
Date : c1820
Period : George IV 
Origin : England 
Decoration : Unicorn and Lion patent mark
Size :  26.7cm at fullest extent 
Condition : Excellent
Restoration : The badger hair brush has been replaced
Weight : 321 grams

Based on the original Thomason type. the King’s type has a rack and pinion mechanism rather than a secondary screw.