Help with Identifying Marks (Italian?)

I need help with identifying marks on this interesting antique silver peace?
Could this be Italian(Venice) manufacture?
Thx.Regards
n17.jpg
n14.jpg
n12.jpg

The last of your three pictures is a Dutch silver mark for .833 standard silver. The II below the lion indicates a date later than 1953, but I’m not sure exactly what date the letter represents.

J.P. Niekerk, Schoohoven, The Netherlands.
Founded in 1836. Might still be in business today.
Scan10524.JPG