Ah, I see - not just a straight swap then, just money-offs. You could take them back to Tesco next time you go, and if the person beside you in the queue is collecting them, just give them to that person.
Funny you should say that, boxtops. That's just what I did. I had them in my handbag for weeks just in case I was next to someone in the queue who collected the stamps. No luck, nobody seemed to be collecting them.
I've just looked on e-bay & you're quite right. I'm amazed! The Alessi offer has finished now, anyway. There are even people trying to sell money off vouchers from their Clubcards. I doubt if you can give (or sell) them to anyone else because the person presenting them would have to produce the corresponding Clubcard at the till
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