[Norbert Schuchbauer]

Hi,
it could be one of the following:
WNr. 8183, F-2
WNr. 13183, F-4
WNr. 15183, G-4
BU+RC, G-6
DE+RC, F-2
DN+RC, G-6
PN+RC, G-6
PP+RC, G-6
SM+RC, G-6
TE+RC, G-6
VH+RC, G-6

Unfortunately no WNr./Stammkennzeichen combo that reflects __+RC and WNr. ending in 183 in my database.

Regards,
Norbert