After a month or so of trying to find a Tesco with 3V cards in London, I finally came across 28 at the Brent Cross Tesco superstore.

They wouldnt let me buy them at the till and said I had to go to customer services. They said they couldnt sell me any on my CC. Called over the manager who then said that I can only buy 2 on my CC and a maximum of 5, but 5 only with cash!!

He went on to say that this was new policy, as we "all use visa cards and this is to protect us from fraud and is in everyones benefit". While this was going on a couple of security guards on the front door came and stood by the manager.

Just walked out then.

Bought 5 of the 3.95 Visa cards on my way home as a constellation prize .

There should be 28 of the 3V cards in Brent Cross if someone wants to pick them up.