trading stamp

n.

优待券，赠品券；

Trading-stamp
Trading stamp
Trading stamp
S&H Green Stamps
Pokémon Trading Card Sequences
Pok′emon Trading Card Sequences
Commodities and world trade
1 Introduction Once Upon a Time-Memory Tradeoff
Evidence and proceedings before the Commission to inquire into trading in grain futures
Report of the Commission to enquire into trading in grain futures
An intermediate commercial geography. Pt. 1, Commodities and world trade
Monkey Wrenches in the Trade Machine: GIVING UP SPRATS TO CATCH MACKEREL
Double Taxation and Party Promises: MONKEY WRENCHES IN THE TRADE MACHINE