Great Britain Gold 1 Sovereign "Pattern" 1830 KM# Pn97

Obverse
Portrait right.
Lettering: GULIELMUS III D:G: BRITANNIAR:REX F:D:

Reverse
Crowned quartered shield of arms, with the arms of Hanover as an escutcheon, seven heart semée, Irish arms with eight harp strings, crown with 13 pearls on each arch and five pearls each side of vertical facing upright, an inner crown band with nine jewels.
Lettering: ANNO 1830