Can Anyone Help Identify Marks on Round Silver Box

[leealp1]

Please could anyone help me identify the Marks on the Round Silver Box.

Thanks

Lee

[AG2012]

Hi,
CWT is the maker Carl Wilhelm Troselius, (1825-1842), Stockholm, Sweden.
Date letter is M4 for 1842, town mark in oval for Stockholm and national 3 crown mark.
Regards

[leealp1]

Hi, Thanks very much, a great help.

Thanks

Lee