As Jasper has observed, this is a mid 18th c hanger blade as produced by Samuel Harvey in Birmingham from 1750-70s. The running fox (aka bushy tail fox) is in the proper blade location and these were fully animated images, indeed often (not always) with initials SH.
Solingen running wolf was a chop mark type stylization, usually similar but free style and on one side of blade typically.
This does look like a German, or East European hanger of the period, but then British hangers and German often interpolated. British infantry hangers of mid 18th century followed established Prussian styles. While this is a civilian hunting sword it is interesting to see a munitions grade military hanger blade used....very interesting.
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