What do you do when you want to send someone a Christmas card, but you've lost their address and have no other way of getting in touch?

Most people would probably just forget about it, and wait for the other person to contact them

However, a former colleague of Antony Wren had different ideas - and sent Mr Wren and his wife a card addressed to "somewhere near the sea in Suffolk."

Below that, the sender added a cheeky: "Good luck with that postie."

Amazingly, the card arrived at the correct destination in just a few days.

Mr Wren, 42, from Lowestoft, described the delivery as "really quite impressive," telling the BBC: "In July 2013 we moved up to Lowestoft and sent out our new address in Christmas cards.

"Obviously some of those cards must've gone missing and our friend and ex-colleague clearly has lost our new address but remembered we were moving to somewhere near the sea in Suffolk."

He tweeted the Post Office and the Royal Mail to congratulate them on a job well done: