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Hi, Crescent and crown is German guarantee mark for silver, then 800 fineness, the eagle mark could be the manufacturer Bruckmann & Söhne - Heilbronn.See here: https://www.925-1000.com/Fgerman_marks_a1884_2.html On the other hand, eagle was used by several manufacturers, too. Bruckmann & Söh...

Hi,
Those are pewter marks.It is rather easy to distinguish pewter from silver (and silverplate) because pewter is much softer metal.
Regards

The maker is what Amena said, meaning he is right; the mark appears with various retailers, though.
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Hi,

Any idea?

The bull looks like Turin (Torino, Italy) coat of arms.
Regards

Hi,
Those are not French silver marks. I doubt it is solid silver.
Regards

Hi,
It is not sterling fineness if you have in mind sterling (.925) as a synonym for solid silver.
German standards at the time were mostly 12 Loth .750 and 13 Loth .812,5
Regards

Hi,
Honolulu Pacific Commercial Advertiser Newspaper Archives,Jul 23 1892:
‚‚H. P. Wichman has just received a new line of Sterling Silver toilet goods and other novelties.‚‚
N.B.recieved: meaning they retailed silver items.
Regards

Hi,
Moisture in the air can react with the copper present in silver alloy, causing a green discoloration,particularly in salt cellars.
I think both pieces are solid silver, possibly of lower fineness in the first example, e.g. 750.
Attribution looks OK.
Regards

Appart from lion passant, duty mark only vagualy resembles early 19th century British monarchs. What was intented to be date letter does not match the form of major British offices at the time (the closest is Chester 1802). All said,it is most likely overseas. Regretfully, we seldom find full inform...

Hi,
Marks are on broken knife blade.
They look like British pseudo marks, but I may be wrong.
There is no town mark and the maker`s mark of this form is unknown to me.
Regards

Hi,
Full info of Hargesheimer is available when one logs in with name and password.

I sent a private message with their email address and website.
Have a nice evening

Hi, I had to engage again. Summary: the dish was bought in Vienna.Another identical dish is offered online by Dutch online auction house, fortunately disclosed by Peter (description in French), and the dish is still available in Düsseldorf ,Germany (Friederich-Ebert-Str. 11+12). (The name of the ant...

HI, Austria-Hungary dog`s head mark for 800 silver (small items).They used dog`s head on sugar castors, although Diana`s head would be more appropriate for an object of this size. For Italian marks see here: https://www.925-1000.com/Fitalian_marks_01.html Either way, there is no problem with the mar...

Hi,
The image of the whole object might be of great help.
Regards

Hopeless; now auction house is wrong! Austrian Repunze tax exemption seen here is well documented Neresheimer mark. Before going deeper into the subject, tell us what`s the town letter N used in 1809. As far as I am concerned, the issue ends here; just another example of wishful thinking regarding H...

Not a maker, bottom image shows again notstempel-frei mark (upside down) used by Neresheimer, as well as pseudo Augsburg. There is a gap in town assay offices code letters: M was for Munkács, but there is no N town mark. V was for Venezia/Venedig (1805-1810). Letter N appears later as N1 for Split/S...

One more example:

The freistempel was used in 1809/10 for objects exempted to be delivered to the redempion offices. It is well documented Neresheimer pseudo mark; always with letter N to the let. Another example of Neresheimer set of marks bellow;``freistempel`` far left (letter N again !),with partially struck pseu...

Hi,
Hanau pseudomarks; Neresheimer; see npr. mark on the right. Pseudo Austrian Repunze mark, regularly seen on Neresheimer.
https://www.925-1000.com/Fgerman_hanau_marks_01.html
Regards