Showing on my BA PP this morning (not my Gold or Platinum though). Multiple use which is excellent.
Get 15% off, Every time
Save to Card to get a 15% statement credit on eligible purchases online at Holiday Extras by 2 April 2017. Valid every time. Terms and payment restrictions apply.
Also available on non Amex issued cardshttps://network.americanexpress.com/connect/uk/en/secure/doe_offer_detail.html?offer=GCOR_82668
Has previously worked with Topcashback and Avios for extra cashback/points - BUT use this at your own risk.