Unkown coin , Hildesheim / Köln ??

[pinpoint]

Friendly ask for help to determine this unknown coin.
Diam.: 18 mm / silver
av. : RVDOL II. RO .I .S . DECR ( double headed eagle)
rev. : ERNEST. AD. STA. COLON ( arms off von Bayern)
Ernst von Bayern ( 1573-1612) ??
All info is welcome !

Greetz from The Netherlands , Pinpoint

[pinpoint]

Hello ,

Already postive match on MBF ( The Netherlands) :

Halve Stuiver / 8 Heller , Ernest van Beieren ( 1581-1612) , Abtei von Stavelot
Ref.nr. : Dengis 30

Greetz , Pinpoint