In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product.
Food stuff ration coupons types I–V for direct laborers and workers in Vietnam, 1976–1986
Believed to be the first coupon ever, this ticket for a free glass of Coca-Cola was first distributed in 1888 to help promote the drink. By 1913, the company had redeemed 8.5 million tickets.
Store coupon offering discounts in a store for an item
Discounts are reductions applied to the basic sale price of goods or services. Allowances against price may have a similar effect.
Coupon
…In marketing, a coupon is a ticket or document that can be redeemed for a financial discount or rebate when purchasing a product. Customarily, coupons are issued by manufacturers of consumer packaged goods or by retailers, to be used in retail…
A seasonal sales promotion
DVD films sold at a discount when 2 items are purchased