www.925-1000.com

Hi
This set of marks is on Danish enamelled tea caddy spoon. EF within square brackets does not match any silversmith initials known to me.
Thanks for helping.
Regards

E.F...................................................Einar Fiberg - Copenhagen 1905 - 1937
E.F...................................................H.Ellegaard Frederiksen - Horsens 1946 - 1958
E.F...................................................Einer Bernhard Fehrn - Copenhagen 1962 - 1972
E.F...................................................Einer Fehrn / Ravfehrn Aps - Copenhagen/Frederiksberg/Søborg 1972 - 2010

Haven't been able to find any similar pieces with the [EF] mark yet.

Do you have any images of the mark you can post?