Not sure if this has already been posted but a quick search shows it has not .
Pretty neat deal when combined with those discounted eBay gift cards (from AuPost CB or WW/FB points deals)
10% off Coles for eBay Plus Members
Terms & conditions
Acceptance. By using or attempting to use the redemption code you agree to accept and be bound by these terms and conditions.
Offer Period. This offer is available for a limited time only, for as long as it is advertised by eBay on www.ebay.com.au (“Offer Period”). eBay reserves the right to cancel the offer at any time.
Eligibility. This offer is only available to eBay Plus members.
Conditions. The offer entitles eBay Plus Members to 10% off the purchase price of orders from colessupermarkets (“the Seller”) (discount applies to the item cost only, excludes postage), up to a maximum discount of $100 per transaction. Multiple items may be purchased in a transaction (up to a maximum of 40 items per transaction). All monetary amounts specified in these terms and conditions are in Australian dollars (AUD). Only one coupon can be used per transaction.