I like this design, but without the $ or cents sign. Also, those look like movie tickets and not coupons. Look at these links for ideas on coupon shapes and designs.
http://www.123rf.com/photo_9970437_coupon-border-on-white.htmlhttp://www.auntmillies.com/onlinesavings.aspxI kind of like the peeling corner of the coupon look.