The porky pie vouchers limited to exchanging for porkie pies only are not considered as cash , unlike supermarket vouchers which are, but all considerations must be made to see if someone is trying to get one over on you by giving you a porkie pie voucher
So I guess when the bank gave me a whole bunch of welcome vouchers for opening an account I should have reported it , after all I don't know who got the advantage me for getting the coupons or the bank 'cause they got my money I am conflicted and in a quandary