**PLEASE READ BEFORE VOTING**
Was £26.99, then £21.99, now £17.59
Still showing as £21.99 on website AND on stock checker when in store store however you are charged the lower price when paying (confirmed on self-service till, not sure about manned till)
Credit to bellawills who posted the single and prompted me to check (and buy!) the double today.http://www.hotukdeals.com/deals/argos-13-5-tog-single-duvet-duck-fe/802680
Obviously single is reduced as well in above post, haven't confirmed kingsize.
Will post receipt when I get home for the non-believers.