| a stamp with a certain value given as a premium by a retailer to a customer, specified quantities of these stamps being exchangeable for various articles. |

| trading stamp n. A stamp given by a retailer to a buyer for a purchase of a specified amount and intended to be redeemed in quantity for merchandise. |
trading stamp
printed stamps given as a premium by retailers to customers and redeemable for cash or merchandise from the trading stamp company when accumulated in specified amounts. Retailers sponsor trading stamp programs as a means of building customer loyalty. The retailer purchases the stamps from the trading stamp company at a cost based on a small percentage of total sales.
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