Help with hallmarks please

[Acapulco]

Above is a goblet obviously 800 but the two tiny hallmarks represent what please. Maybe it isnt French at all but have been through all my copies of stamps to no avail.
Could anyone enlighten me please.
Thank you

[dognose]

Hi,

It's German. See Franz Mosgau at: http://www.925-1000.com/Fgerman_marks_a1884_7.html

Trev.