Austria-Hungary 1872 to 1922. It has the 14K Gold Standard Fox Head Hallmark (irregular hexagon) with the fox head facing to the left.
There should be a letter to the left of it, and a number 4 on the right of it. The letter stands for the Assay Office (Vienna was A).
The number 4 stands for the fourth standard for gold in Austria which is 14K Gold.