Nick,
One small tidbit of an information: Fw 190 F-8/R1 E8+EH of 1./NSGr. 9 found by war's end at Vicenza and noted as such by Nr.1 F.I.U. (Party B) team 4 May 1945 without W.Nr. recorded is actually W.Nr. 584562, as ascertained by a close-up photo of its tail, posted over on LRG Forum here:
https://www.luftwaffe-research-group...2/#post-108059
Cheers
Marc