2015-10-20 Star Wars

Signed by Star Wars artist, Malcolm Tween, who designed the stamps

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

A 1984 Christmas card, signed "Charles and Diana"

1993-11-09 Christmas

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