Unkown medieval Pfennig / Denar , German ??

[pinpoint]

Friendly ask for help to determine this unknown medieval coin.
I already posted this coin in Altdeutschland , until now no postive reaction.
Diam. : 14mm / weight : 0,42 gr. / silver
a.v : König mit Lanze und Schleifenkreuz
rev. : Lamm Gottes ?? legende : E T A
Coin found in The Netherlands
Possible German coin , until now no match Keunker
Any info is welcome

Greetz from The Netherlands , Pinpoint

[pinpoint]

Kick !!

Until now no positive reaction or match .
Maybe Dortmunder area

Greetz , Pinpoint