London Scottish NCO's plaid brooch

A fine nickel silver example by Morton, 223 Oxford St. Plain burnished quoit mounted with thistle wreath secured with ornate wing nuts. To the centre, a Lion Rampant; across the base of the wreath a scroll inscribed ‘LSRV’. Stout pin to reverse. VGC
See ‘The Uniform of the London Scottish 1859-1959’ by Robson, page 31