Question Author
jno, yes, both debit and credit cards are with the same bank.
Hopkirk, no one sees my cards so no chance anyone can see the reverse. I rarely use my credit card and if I withdraw cash, I try to obtain it from over the counter at the post office
ubasses, I rarely use my debit or credit card anywhere as I withdraw cash from the post office counter for general use. I never tick the box on websites asking if I want my details "kept for next time".
I appreciate all your replies. Many thanks