First Worlds Fair Seal, Columbian Rarity $25.00
1915 Panama Pacific San Francisco World's Fair block of 4 $4.99
1915 quarter sheet of 25, F-VF, NH $22.50
Set of 6 1933 Century of Progress Chicago World's Fair $5.00
1939-40 San Francisco Golden Gate World's Fair poster stamps - 23 different $24.95