Guaranteed original. Complete & intact. This is an original, Royal Artillery Sergeants NCOs Arm / Sleeve Badge Pair for sale. In good condition. Please see our other items for more original WW1, WW2 & post war British military cap badges for sale. The Royal Regiment of Artillery, commonly referred to as the Royal Artillery (RA), is the artillery arm of the British Army. Despite its name, it comprises a number of different regiments.