Guest, is it definitely a King Charles you are looking for? Unfortunately this breed is far harder to come by unlike the more popular Cavalier King Charles. However, it may be worth your while getting in touch with the Breed Club:
KING CHARLES SPANIEL ASSOC. Sec. Mrs M Moss Tel No: 01273 493582
KING CHARLES SPANIEL CLUB. Sec. Mrs T Jackson. Tel No: 01934 822758
NORTHERN KING CHARLES SPANIEL CLUB. Sec. Mrs G A J Smith. Tel No: 01332 663579
:)