A British 1796 dress pattern heavy cavalry officer's sword

A British 1796 dress pattern heavy cavalry officer's sword, single edged flat backed blade 32.5 in. with broad central fuller and marked 'J Runkel Solingen' to the back, engraved at the forte and retaining much bluing and gilding, gilt brass hilt with boat shell guard and slender knuckle bow, silver wire bound grip, associated steel scabbard with two suspension rings and engraved 'Johnston's Sword Cutlers & Co 12 Newcastle Street Strand'.