Scott National Series Album Pages: U.S. 20th Century Blocks of Four 2001 Supplement #62. This supplement contains a total of 11 pages. On page 4 we have allowed space for the pane of 20 of Scott 3502 (American illustrators). On page 6 we have allowed space for the pane of 7 of Scott 3505 (Pan-American Exposition). Page 7 has space for the pane of 10 of Scott 3506 (Great Plains Prairie). All blocks of four issued through October 21, 2001, as listed in the Scott Specialized Catalogue, are included.
