The Coffee Club is offering Buy 1 Lunch, Get 1 Lunch Half Price. This goes with the other coupons posted previously.
Lunch ranges from $15 to $19.90.
Coupons can be found on page 41 (Screenshot of page) of NZ Womans Weekly. PressDisplay Link.
No mention of not being able to use a digital copy however at a savings of at least $7.50, you could probably pop out to grab a magazine to use.