The Hellcat has been bugging me but another photo of a Hellcat with a Seafire and a Raiden shows "916", I'm sure the same 2 planes; possibly Bu. No. 58916 ? I believe the nose numbers were marked for flight testing.
Regards
Nick
https://upload.wikimedia.org/wikiped...stang_1945.jpg
https://www.worldwarphotos.info/gall...aic-in-flight/