25-50 USD
I would recommend taking the percussion pistol to a local gun shop and seeing what they deem the pistol to being valued at. They would be able to assist you in identifying the marks and giving the information about it, as well as the age.
pistol bears the famous "ELG Oval" which is the mark of the Liege proof house
Do a Google search on Italian proof marks.
German marks
the Russians
Eduard Marks was born on November 9, 1901, in Dsseldorf, Germany.
Eduard Marks died on June 30, 1981, in Hamburg, Germany.
It was the mark. I lived in Germany and still have a few marks.
Deutsche Marks.
1942
The Deutsche Mark, was the official currency of Germany from 1948 to 2001. Since 2002 Germany has used the Euro (€).
in Germany it was 500,000 marks