BRITAIN 4 th [kings own regt of foot] helmet plate 1844

ex old plate dug up at crimea after britain changed the badges mid war this has no lugs left and a bit of melted solder here and there but what a piece of history dug up at sevastpol/balaclave this badge would have been worn on the 1844/55 albert pattern helmet the 4 th kings own regt of foot