Here is aa restored version of Yankee Doodle, Its a G but the markings have been restored:
http://www.armyairforces.com/b-17restored-4483884.asp
here is a pic of the origiinal:
http://www.91stbombgroup.com/yankeedoodle1.html
I found a picture of it destroyed at Thule at:
http://wintersteel.homestead.com/TTEp2.html
Quote from:http://www.acepilots.com/planes/b17.html
Yankee Doodle
This Flying Fortress took part in the first B-17 raid over Europe on August 17, 1942. General Ira Eaker flew B-17E 41-9023, "Yankee Doodle," to lead this mission against the marshalling yards at Rouen.
Hope some of this helps.