Interesting pic, apparently taken before adding Graf's famous red starburst on the cowl.
Yes . it is the Fw 190 A-4 WNr 634 but not the Fw 190 A-5 WNr 2594. The pic was taken in Toulouse-Blagnac, France in early spring 1943. The "red tulip" had to be appled soon.
the source:
More on Hermann Graf's JGr. Ost Fw 190s
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Hermann Graf Kommandeur JGr. Ost Fw 190 A-4 WNr. 634,
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