
Gem sadly the breed is very exploited and there are a lot of badly bred and cross bred litters with no paperwork or health testing of parents around as well as poorly bred KC registered pups too.
I would advise getting recommendations from one of the breed clubs listed here
http://www.thekennelclub.org.uk/item/87 , or at least check any breeder out with them as they will know if they are disreputable.
Barbara and the Grey Curly Tails.