11. It expanded more cautiously than did Tesco, shunning acquisitions, and it never offered trading stamps . 12. In 2008 the last operating trading stamp company in the United States, Eagle Stamps, closed. 13. Prices are sometimes quoted in terms of vouchers such as trading stamps and air miles. 14. I notice that there's also a Trading stamp article. 15. Some merchant groups disliked trading stamps and actively worked to have them banned in their areas. 16. Every week, it seems, there was another news story about groups buying improbable items with trading stamps . 17. And you got trading stamps to boot! 18. And furthermore, trading stamp links to half a dozen different articles on different brands of trading stamps . 19. :( ec ) This page indicates that the practice has historical roots in the now-essentially-defunct trading stamps . 20. And, you got trading stamps to boot?