www.925-1000.com

HI

Are these Dutch Pseudo Marks?

These are for Neresheimer Germany
See Hanau pseudo marks for Neresheimer and their trade mark the characteristic stylized N.

https://www.925-1000.com/Fgerman_hanau_marks_01.html
Peter.

Hi,
British import marks, too.
On the right of 925: city mark of London used since 1904.
Summary: made by Neresheimer, Hanau, Germany and imported to London after 1904.

Regards

Many thanks.