Insignia: The Royal Yeomanry (Silver). Size: 30L (approx 19.1mm). Six ring back buttons for dress jackets.
The Royal Yeomanry British Army Insignia Ring Back Silver Buttons Medium 30L X4
Royal Crown Buttons British Issue 36L With Lined Background X6 ASBT239
Royal Artillery Buttons 22L Small British Army Mounted R.A Cannon Insignia
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Genuine British Army Issue No1 / No2 Dress Royal Engineers Buttons 30L