www.925-1000.com

Scroll down to your mark here:
https://www.silvercollection.it/GERMANMAKERSOTHER.html

Hi,
Gebrüder Sauerland- Berlin (Sauerland Brothers)
Silverware maker / Silberwarenfabrik

Regards

Hi,
Is it Wilcox & Evertsen Indian head mark ?


Regards

That`s what call unsolved mystery; Russian inscription on a beaker with Amsterdam marks, foot added later, and not even well done,either.
There is nothing to help us to solve the mystery.
Regards

Hi,
The alloy MK is cupronickel (melkhior).MK7 should be 1967.
Regards

Hi,
One ruble 1897 was minted in 18 to 20 million examples, depending on mint, not very fine grade; there is no profit in faking.

If you want to make sure compare; Weight 20 g Diameter 33.65 mm Thickness 2.7 mm
Regards

Hi,
Dove brooch was designed by Kristian Mohl-Hansen in 1910; meaning one can find various marks for 123 design number (older GJ in a rectangle, or later dotted oval) but always fully marked. It was widely reproduced as bird brooch.
Regards

HI,
“P” in a shield without more marks should indicate their own manufacrure.
Regards

Hi,
Dutch marks,I guess; Peter will tell us either pseudo or late 19th century.
Regards

Hi, Not authentic. The foot was soldered at later date. Marks seem to be struck on the cup itself,which is difficult to explain; inscription in Russian with Amsterdam marks. Four issues betraying it`s not authentic: 1.Asymmetry of the cup (flat,low position on the foot). 2.Poorly cut circumference o...

Schleissner, Hanau s447 on
https://www.925-1000.com/Fgerman_hanau_marks_01.html

Regards

Lower nobility crown.

Hi,
It is a Hungarian name, wherever he lived in Austria-Hungary Empire; 13 Loth, no town mark.
The ring belonged to a poisoner.
Regards

Hi,
British India colonial pseudo mark for lion passant.
See here:
https://www.925-1000.com/AngloIndian_01.html

Regards

You cannot calculate the volume of the platter with the measurements you describe.Water displacement method is used to measure exact volume; a submerged object displaces a volume of liquid equal to the volume of the object.But one cannot find graduated cylinder of the size to submerge this platter. ...

Hi, If you want to be sure, file deep enough where it cannot be seen; do not make a notch but file horizontally, you need a field at least 0.5 X 0.5 cm, then apply acid; if it turns deep red / it`s sterling. If not, it`s silver plated. After the test you can polish where you filed. Cannot do any har...

and what is 750 hallmarked?

Gold 18 K (combination of white and yellow gold).
Regards

Use 10X magnifying glass and look for something like this (Diana head):
https://www.925-1000.com/Faustria_02.html

Or show us close up of the marks.

Hi,
Could be solid silver (e.g. Austria) but better close up of the marks is needed (perpendicular view).
The family crest does not belong to the marks.
Regards