Adverts. Found 11 adverts for pony 13.3 shropshire for sale or wanted in our free ads section: Horses and Livestock > Horses and Ponies (11 adverts). | more… https://www.google.com/url?rct=j&sa=t&url=http://www.preloved.co.uk/search/all%3Fkeyword%3Dpony%252013.3%2520shropshire&ct=ga&cd=CAIyHDQxMjEzYTNjZmYwOWZjYzQ6Y28udWs6ZW46R0I&usg=AFQjCNFJogxGLyKtUNmL2q-6KZ2YAb5H1Q