Este primul timbru de gen pe care l-am văzut vreodată. A fost emis în S.U.A. în cadrul emisiunii ''Celebrate the Century'' din 1998.
''The First Published Crossword Puzzle appeared in the New York World Newspaper on December 21, 1913. Known as a “word-cross” puzzle, it was similar to contemporary crossword puzzles. The puzzle became a regular weekly feature and spread to other newspapers across the US.
FIRST CROSSWORD PUZZLE Celebrate the Century: 1910s
MEDIUM board, acrylic, ink
ILLUSTRATOR Dennis Lyall (b.1977)
ART DIRECTOR Howard Paine
FIRST DAY OF ISSUE February 3, 1998 ''