A British 1803 pattern flank infantry officer's sword

A British 1803 pattern flank infantry officer's sword, curved blade 32 in. and by Runkel of Solingen, blue and gilt decoration to the forte including winged mythical beasts, gilt brass hilt with openwork knucklebow incorporating crowned GR cypher, lion head pommel and faceted back strap, wire bound fish skin grip; gilt brass mounted leather scabbard, the locket, band and chape all pierced with decorative ovals, with two loose rings and a frog stud, locket engraved for the retailer 'PROSSER / Charing Cross / LONDON'.