I don't take any notice of the paper vouchers anyway, I go on line and convert them into restaurant vouchers. You can see how many you have in your account.
I went to Tescos today and at the bottom of my till receipt it says i now have 205 clubcard points. One of my friends said she has had two lots of clubcard vouchers sent to her since Christmas and I havent had any at all so i wondered if I had been missed out.!
If you aren't registered on their website then do so. You can check what you currently have, and also make sure you haven't got old unused ones due to expire. You don't have to hold the paper voucher in order to spend them. You can print missing ones off in some stores.
I have also had vouchers sent to me. Not the points vouchers which are quarterly. It was money off vouchers like £7 off £50 for 1week then £5 off £50 for 4 weeks. Maybe it's that vouchers your friend got.