I have this print, Mustang - Ode to a Classic, the original painting was done by Rick Herter.
It's signed by the following:
J. Leland Atwood - Designer of the P-51
Kenneth Dahlberg - Highly decorated fighter ace of WWII
Rick Herter - Artist
also signed,
Clarence Emil "Bud" Anderson - Highly decorated fighter ace of WWII
Charles Elwood "Chuck" Yeager - Highly decorated fighter ace of WWII and test pilot, first to break the sound barrier
I also have this print signed by Gunther Rall, German fighter ace, 275 victories: