This pops up on Marks & Spencer's website:
OUR TREAT: 20% OFF
with code NOV14MSPLUS FOR A LIMITED TIME, FREE DELIVERY TO AUSTRALIA ON ALL ORDERS!*
*Valid until 25 November, 11 AM Australian Eastern Daylight Time
(24 Nov midnight GMT).
Excludes sale items, Schoolwear, 3 for 2
offers & selected homeware.
Currently there is also "up to 60% off sale" for women and kids — while the 20% off coupon code does not apply, you still get free shipping with no minimum spend.
Aren't sale items excluded from the free delivery to Australia as per the asterisk*?