what are all of the stamp sets?
county cricket, 1873-1973, 400th anniversary, birth of inigo jones, 19th commonwealth parliamentary conference, royal wedding (the princess anne), british trees, fire service anniversary, medieval warriors, winston churchill centenary, bicentenary, birth j. m. w. turner, european architectural year, sailing, 150th anniversary of public railways, jane austen bicentenary, social reformers, american bicentenary, roses
and how many cards were issues for those sets?
one, one, one, one, one, one, four, one, one, three, one, four, four, one, one, four
which set was issued three cards?
european architectural year