Can't find it in AMEX Connect, but I found it under Offer and Places in my Online Services: Summary
DAVID JONES WELCOME OFFER
Spend $40 or more, get $15 back
Save the offer to your eligible Card and spend $40 or more, in one or more transactions, online or in-store at David Jones by 31/08/2017 to receive one $15 credit. Limited to the first 15,000 Cards to save the offer. Exclusions apply.
Appears to be available with Velocity, Platinum Edge
Appears to not be available with ANZ Black, Qantas