Which Paddington Bear 50p coins are rare and what are they worth?

PADDINGTON BEAR 50p coins celebrate the little brown bear who was discovered at the London train station he was named after by the Brown family. All he had was a suitcase and a coat with a note on it that read "Please look after this bear. Thank you." From humble beginnings in Darkest Peru as an orphan, Paddington has become an iconic children's character.