A George IV gold, diamond, gem and enamel 'Act of Union' brooch
The diamond and ruby rose, pearl and diamond thistle and shamrock motif for England Scotland and Ireland with diamond, ruby and emerald Royal Crown Surmount, circa 1820
A George IV gold, diamond, gem and enamel 'Act of Union' brooch
The diamond and ruby rose, pearl and diamond thistle and shamrock motif for England Scotland and Ireland with diamond, ruby and emerald Royal Crown Surmount, circa 1820