Cigarette case - Polish silver mark and marker name

[Kamorek]

Hello

I just bought a silver cigarette case.
It has a polish silver mark used after 1920 - number 3 and lady head (.800 silver).
But there`s another markings - "crown" ans initials "SK" in a frame.

Inside of cigarette case are engraved dedication: "from children to doctor - and then comes a names of childrens and date 14.XI.43"

Could you help me to find out what means than "crown" and 'SK".
I was searching Web and library in my town but I cant find anything about it.

Thank for any help
Peter

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