The GLAMORGAN YEOMANRY – OR’s bi/m Cap Badge – re-strike
The Glamorgan Yeomanry (title from 1908) was a Yeomanry regiment of the British Army originally raised in the late eighteenth century as a result of concern over the threat of invasion by the French. It also saw service in the Boer War, First World War, Second World War and is today part of a  Royal Artillery Territorial Army(TA) unit.
ref; John Gaylor, ‘Military Badge Collecting’ page 92, plate 52, usually hook fixing, or east-west eyed shank fixings. Kipling and King, Page 362, Plate 1481