A scarce .577/450 Orange Free State contract Martini Henry carbine by Westley Richards

A scarce .577/450 Orange Free State contract Martini Henry carbine by Westley Richards, barrel 23.5 in with tangent rear sight, receiver marked 'MANUFACTURED BY WESTLEY RICHARDS & CO LIMITED BIRMINGHAM 1883', stock with deeply incised marks 'O V S' (Orange Vreistaat) to either side of the butt and once to the fore end, fore end also numbered '286' in relief, two barrel bands, steel fore end cap, clearing rod with head of early rifle type.