Prince Albert's Own Leicestershire Yeomanry Cavalry Officer's Silver Plated Small Coatee Button, circa 1840

small silver plated officer's coatee button of circa 1840s vintage with scarce early maker, Hamburger, London. Fixed shank. Circa 16mm in diameter. Some wear to plate and bronze is showing through. Still, an attractive and scarce early button.This unit was 10th in the order of precedence of yeomanry regiments. First raised in 1803.Comm JoPa