Home Archive Search Media FRE 10951 FRE 10951 IMAGE Download Image By downloading this image, you are agreeing to our Terms and Conditions The first P-51 Mustang (serial number AG345) to be produced, used as a prototype, April 1941. Revisions Date: 26 May 2023 13:36:39 ContributorChangesSourcesIWM, Roger Freeman Collection (uploaded May/2023)