|(esp formerly) a stamp of stated value given by some retail organizations to customers, according to the value of their purchases and redeemable for articles offered on a premium list|
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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