Belgian? Fish Server?

[Aguest]

:::::: Believed to be a Belgian Fish Server ::::::::
:::::: The mark on the back might be a fineness mark like [800M] but it's heavily worn. :::::
:::::: Heavy blade with gilding polishes like its solid silver with faded gilding. :::::
:::::: Never seen a floral ferrule quite like this & maybe someone has seen this type of knife or this type of ferrule before? :::::


: Thanks to all who assist. :

[Aguest]

:::: Apparently the hallmark might contain a word [BLANC] which is French for [WHITE METAL] so this may be French Base-Metal? ::::::