Coupon

Aboard the Thirteenth Doctor's TARDIS, Graham O'Brien collected six coupons from the Bandohzi Herald, which were delivered to the coffee machine. They granted Team TARDIS a free holiday to Tranquility Spa. (TV: Orphan 55)
Ianto Jones owned some money-off coupons for Jubilee Pizza. (PROSE: Another Life)
Category:Economics from the real world