The "American Advances in Aviation" commemorative sheet, featuring 10 classic aircraft from the 1930s, '40s and '50s, will be dedicated Friday at the world's premier air show, the 2005 Experimental Aviation Association's AirVenture Oshkosh fly-in convention in Oshkosh, Wis.
Another "First Day of Issue" dedication ceremony will take place the same day during the Americover 2005 Stamp Show in Vienna, Va.
The stamps will be available at post offices and philatelic centers nationwide Saturday.
A description of each aircraft appears on the back of the stamp sheet.
The planes depicted are Boeing's 247 and B-29 Superfortress, Consolidated's PBY Catalina and B-24 Liberator, Lockheed's P-80 Shooting Star, Grumman's F6F Hellcat, Republic's P-47 Thunderbolt, Northrop's YB-49 Flying Wing, Engineering and Research Corp.'s Ercoupe 415 and Beechcraft's 35 Bonanza.
The header illustration at the top of the sheet pictures a Hughes H-1 racer and Boeing's YB-52 Stratofortress.