There are matching Kings Crown Royal artillery buttons on the jacket and waistcoat. There are no holes in the uniform that I can see.
WW2 & Post WW2 British Army Royal Artillery Photograph Album
WW2/POST WW2 BRITISH ARMY ROYAL WELCH FUSILIERS UNUSED CAP BADGE FIRMIN
WW2 British Army, Royal Scots tartan patch badge backing for tam o shanter cap
WW2 British Army Royal Artillery Mess Dress Jacket, Trousers Flights & Waistcoat
WW2 British Army 7/9th BN Royal Scots tartan patch badge backing for TOS cap hat
WW2 British Army "Montys Men" Royal Scots tartan insignia set cap & arm 7/9 Bn