M&S 3 for 2 on Xmas bits???

[Wilf83]

I know they usually do 3 for 2 on their Xmas bits during the lead up to the big day. Does anyone know when this will be?

I saw some today from a distance that said 3 for 2 so presume it has started! I was stood in the queue so didn't go right up to it

boxes of shortbread in m&s currently half price (munch munch :) )