Silver plaque

[GeorgeG]

What period is it from?
Is this Poznań?
Thx

[Traintime]

This seems to be the first query using only the combination of cross/crossed/crossing keys with a lot/loth mark.

Just for "cross" reference, here's a thread listing known towns using keys: viewtopic.php?f=22&t=21928&p=51414&hili ... 225#p51414