Another serie of the Revue 3, made by Fed for Foto-Quelle from the Fed 3b. The body reads "Revue 3" in serigraphy. It was engraved on the precedent serie. The lens is always the Fed/Industar 61, without lanthanum (F421 by JLP).
This camera is not so easy to find.
Serial number of the pictured body: 740608 (on the shoe).