1995-01-17 Cats

Signed by Scottish painter Elizabeth Blackadder, whose paintings were reproduced on the stamps

1994-03-01 Prince of Wales' Investiture 25th Anniversary

Signed by His Royal Highness The Prince of Wales, Charles, whose works were reproduced on the stamps

1984 Christmas card, signed "Charles and Diana"
1994 Christmas card signed by Diana

1993-11-09 Christmas

Signed by British illustrator Quentin Blake, whose works were reproduced on the stamps