Question about a Radener "luftsieg"

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Hello

I have a "facsimile",officially confirm (Dated 13/09/44):
"Der 7./J.G.26 wird der Abschuss eine Boeing Fortress II am 29/4/44,13.35 Uhr durch Oblt.Waldemar Radener IM ZUSAMMENWIRKEN MIT Schw.Flakabt.345 (l.u.2.Battr.) und Schw.Flakbt.654 (2.u.3.BBattr.) als (93.) Luftsieg der Staffel anerkannt.

The previous official confirmation as 87."luftsieg"(anerk.) of the 7/JG26 concerns the P-47 claimed by Radener on 27/4/44.

Between the 27/4 and 29/4,no other claims of the 7/JG26...So no official confirmation attributed bu the RLM.

a) Why,this lack of logical chronology:we should go from 87. to 88.(and no to 93.)whatever the time taken by the RLM to "formalize " the "claims"?....IT'S A NONSENCE.

b)Unless I am mistaken the "Luftsieg" was either one (Radener) or the other(Flak)....but both?

Certainly some things escape me!

Who can help me?

Thanks in advance
Michel