If you go to tesco.com online, and log into the clubcard section, you can see any unused vouchers (your vouchers section) that you have had in the past.
They are available to use..
We always spend ours but must have missed some, as when i logged on, i still have £36's worth of vouchers..
Give it a try!
https://secure.tesco.com/clubcard/my...hers/Home.aspx
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