Yorkshire Tea 80 Bags - Only 69p, on offer at Co-operative
80pk Yorkshire Tea - Cheapest on offer I have found is in the co-op. They are currently on offer at £1.44.
TopCashBack currently has cashback of £0.75 taking the price down to only £0.69. All other supermarkets have the tea in for at least £2.00.
You can redeem the cashback via the app or uploading the receipt on their website https://www.topcashback.co.uk/SnapAndSave/upload/4805