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Looks very much like Hebrew to me but you have to take account that the letters in the stamp are mirrored so that in the actual wax seal they would be correct. Unfortunately I can't read Hebrew but I could recognize several letters when quickly comparing them to the letter chart found in the Wikiped...

It's not George III but George IV as the hallmarks are for London 1828. The somewhat gaudy style is appropriate for the rococo revival during the reign of George IV (first as a prince regent and the as a king). Unfortunately it's not possible to know the maker as only "W" can be seen. But ...

The maker's mark look like Jonathan Howell. See also: http://www.925-1000.com/forum/viewtopic.php?t=32067 I can't quite discern the date letter. It could be "l" = 1906 or "t" = 1914 (1910 would be "p"). You can check the date letters here: https://www.silvermakersmarks....

The engraving is based on a work by an Italian artist Francesco Vinea (1845-1902). You can even find the same work on Wikipedia: https://en.wikipedia.org/wiki/Francesco_Vinea If I can see correctly it says "B Wicker" in the right bottom corner and when searching Google by this name you can...

I assume you mean 18th century and not 17th century (1600s). I've never seen that this kind of thing was done to a 17th century spoon but of course there are some examples of similar but genuine baroque decoration found in other objects. I've seen quite many examples of 18th century spoons sold onli...

The shape and orientation of the hallmarks look right to me but the date letter is a bit problematic. The duty mark looks more like William IV than George IV if you compare the shape of the king's head. Then the year could be 1834 with "t" but the problem is that I can't discern the cross ...

I guess you could ask directly from the National Museum of Finland about the knife. If it happens to be indeed from Turku I think they would be interested in knowing about it. Here's a short introduction in English about their historical collections and contact information: https://www.kansallismuse...

Finnish silver from 17th century is very rare so I couldn't find that many examples online for hallmark comparison. Here's one from the National Museum of Finland: https://www.finna.fi/Record/musketti.M012:H2792:7 There are also some real life photos in a book by Raimo Fagerström "Silver in the...

The crowned A (if it's really that) does remind the town mark of Turku (in Swedish Åbo). It comes from the medieval coat of arms of Turku where the letter A comes from Aboa, the Latin name of the town. However it's definitely not 1822 because then the item should have several other hallmarks like th...

Here's some information about heraldry and the coat of arms in question. I hope it provides some useful information. The coat of arms show hatching so it's possible to deduce the colours: https://en.wikipedia.org/wiki/Hatching_(heraldry) The fret is black and the shield is probably silver which woul...

The text is in German and it says: "Den Norske Amerikalinje [Norwegian America Line] to Mr. Director Wolfenstetter in grateful memory of excellent work with "Oslofjord" [the name of the ship]" and the years which I can't quite read. So it seems to be a gift to a German speaking p...

It could be Cyrillic ГР so in Latin alphabet GR. One mark with those initials is listed here for Kiev 1880-1908 but unfortunately is the maker is unknown: https://www.925-1000.com/Frussia_makers_A_r.html The hallmark looks somewhat different and doesn't seem to have dot between the letters so it mig...

The hallmarks look like Daniel & Arter, electroplate, Birmingham UK: https://www.925-1000.com/silverplate_D.html

It's impossible to say for sure because we don't know the colours of the coat of arms. As the dish is German the family could be German too and the helmet shows that it's part of the nobility but in this case just untitled nobility. I browsed Siebmachers Wappenbuch from 1605 and found three possible...

The inscription certainly points out to Scandinavia. It's in Swedish but might be the same in Norwegian (but in Danish it should be "minde") and means "memory of 16 July" which combined with the initials could be for marriage or anniversary. The decoration looks like bright cut e...

Somehow the decoration reminds me of this Norwegian spoon featured here some time ago: https://www.925-1000.com/forum/viewtopic.php?f=47&t=53174 Maybe you or someone else could check the book mentioned in the thread. If it's Norwegian provincial silver it could explain the absence of assay marks...

I don't think it's "Amerikad" in the old documend above but "N. Amerika d. 2/4 84" where "d." stands for "den" meaning "the" so in Swedish "Flyttat till Norra Amerika den 2 april (18)84 and in English "moved to North America on the 2nd of A...

Seems to be Jakob Lundberg. For reference:

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(Sorry, couldn't find any non-commercial site to show the hallmark.)

Those are most likely salts and the earliest date based on the style is somewhere in the late 18th century. The crowned hand looks like Antwerp but someone else can probably give more exact information. The photos could be a bit higher resolution as it's quite difficult to see the smallest hallmark....

The initials in dot style / pricked engraving seem to indicate Northern Europe / Scandinavia. I didn't notice the initials in the photo as they are so faint due to reflection. That kind of engraving was often used for example in Finland in lower quality items like beakers made for the (wealthy) peas...