1936 3¢ TIPEX International Philatelic Expo Souvenir Sheet

United States #4074. 2006 World Philatelic Expo, Samuel de Champlain - Canada joint issue souvenir sheet of four, mint never hinged.

United States #4075. 2006 World Philatelic Expo souvenir sheet of three, mint never hinged.

United States #735. Byrd Expo souvenir sheet of six, unused.

United States #2433. $3.60 World Stamp Expo Imperf Souvenir Sheet Mint, Never Hinged.

United States #4123. International Polar Year souvenir sheet of two, mint never hinged.

United States #3178. Mars Pathfinder souvenir sheet, mint never hinged.

PALAU #496-97 $2.00 Australia '99 World Stamp Expo - Set of 2 Souvenir Sheets *Plate number and position may vary from image shown. Item will be received in mint, never hinged condition.

United States #1075 3¢ & 8¢ FIPEX Mint Sheet of Two

United States 1976 Bicentennial Souvenir Sheets. Mint NH Set.