silver or silverplate?

[vadmaster]

please help me to identify this hallmark, is it silver or plated??

Thank you!

[Hose_dk]

This is silver from Königsberg.
12 lod
where 12 part is silver and 4 is copper. Normal standard in Königsberg.
Königsberg mark struk 2 times. R is year mark last mark is maker. Dont know who.
R could be 1859 compair to this R
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