pistol bears the famous "ELG Oval" which is the mark of the Liege proof house
ELG is the marking showing the rifle was test fired at the Belgian Proof House in Leige, Belgium. Unfortunately, there were thousands of these, and not enough information in your post to identify it.
ELG means it was made in Belgium Only those guns that were actually made in Belgium will have the "ELG" proof mark on them.
The ELG in an oval indicates it was made in Belgium (Liege) prior to 1893 (unless there is a crown over the oval, then it was made sometime later), and approved for black powder ammunition.
ELG in an oval shows it was proofed in Belgium. If there is a crown above the oval it was after 1893 and if not it it was earlier. SJD indicates the manufacturer was Simonis, Janssen, Dumoulin and Company.
elg with crown in circle is a Belgian black powder proof mark
Belgian made.
Belgian made @ turn of the century
The Elg is a Belgian proof mark, meaning it was made and proof tested in Belgium. Most likely in the late 1800's or early 1900's.
Taina Elg was born on March 9, 1930, in Impilahti, Finland.
The cast of Suomalaisia maailman turuilla - Taina Elg - 1963 includes: Taina Elg as herself
Taina Elg has written: 'Varpailla maailmalle' -- subject(s): Ballerinas, Ballet dancers, Biography