I have bought the dutch 934/1000 silver box you may see here: https://photos.app.goo.gl/bjRUmiek5Vp9dtTq5
This is cm 7x16x12,5 in size and g 448 in weight.
There are four marks:
1) the Minerva head should tell the regional assay office mark, but it's difficult to read the letter in the helmet (maybe "B" for Utrecht or "P" for Alkmaar).
2) the year letter is a kind of "f" so that this box should have been made in 1815.
3) the silversmith mark: "M" then under it "GG" and then under it a Delta plus L. I have looked for this mark but I was not able to find it.
4) the lion rampant with 1, meaning the silver 1st standard 934/1000.
Please, do you know who was this maker? And please, what do you think about this box?
Thank you so much in advance for your kind help and best regards,