British Troopers 1796 Light Cavalry Sword

Troopers 1796 Light Cavalry Sword, steel regulation hilt with leather grip showing age wear however the front langet engraved with what possible could be a 3 Used as a symbol of protection of the Trinity ??? The curved blade is complete with original scabbard with 2 loose rings overall length 95cm blade 82cm

Reference: Swords of The British Army by Robson plate 18
Blade Length: 32.5 inch
Overall Length: 37.0 Inch