Family collection of gold coins

I have family collection of gold coins and I need help and information.
Please can someone tell me if some coins from the list below have numismatic value , or who should I ask ?


USA Liberty 20 $ from 1911 to 1923
USA Indian 10 $ from 1907 to 1914
USA Indian 5 $ from 1910 to 1913
USA Indian 2.5 $ from 1909 to 1915
USA Liberty 10 $ from 1882 to 1906
USA Liberty 5 $ from 1853 to 1906
USA Libery 2.5 $ from 1903 to 1907
Franc Josef 4 Ducat from 1888 to 1915
Franc Josef 1 Ducat ( 3.49 gr) from 1871 to 1915
Franc Joseph 1 Ducat from 1843 to 1863
Ferencz Jozsef 20 Korona from 1893 to 1911
Great Britain gold Sovereign Victoria young head from 1872 to 1884
Great Britain gold Sovereign Victoria old head from 1893 to 1901
Great Britain gold Sovereign Edwardvs VII from 1902 to 1910
Great Britain gold Sovereign Georgivs from 1911 to 1932
Great Britain gold Half Sovereign Georgivs from 1911 to 1914
Great Britain gold Half Sovereign Edwardvs VII from 1903 to 1908
Great Britain gold Half Sovereign Victoria from 1887 to 1892
French Napoleon gold 20 Franc from 1852 to 1857
French Liberty gold 20 Franc 1850
French Lucky angel gold 20 Franc from 1875 to 1896
Ferencz Jozsef 10 korona from 1905 to 1911
Ottoman Empire gold 100 kurush from 1850 to 1923