George III, King of Great Britain and Ireland (until 1801) then the United Kingdom and Ireland (1738 - 1820) (Stamp 07)

Owner:
Arms:
Quarterly 1. England impaling Scotland; 2. France; 3. Ireland; 4. Tierced in pairle reversed: Two lions passant gardant (Brunswick); Semy of hearts a lion rampant (Lunenberg); A horse courant (Saxony); overall on an escutcheon gules the crown of Charlemagne (High Treasurer of the Empire)
Badge: The rose and the thistle
Motto: Dieu et mon droit
Crown: sovereign
Order: Garter
Supporters: A lion gardant imperially crowned and a unicorn ducally gorged and chained
Dimensions (height x width): 99mm x 95mm
Escutcheon of Pretence: Gules the crown of Charlemagne (High Treasurer of the Empire)
Quarterings: 1. England impaling Scotland; 2. France; 3. Ireland; 4. Tierced in pairle reversed: Two lions passant gardant (Brunswick); Semy of hearts a lion rampant (Lunenberg); A horse courant (Saxony); overall on an escutcheon gules the crown of Charlemagne (High Treasurer of the Empire)

Sources