www.925-1000.com

Hi Phil, many thanks - and for the links demonstrating - so two very different sets of hallmarks. Thank you. S.

Thanks Martin,
but it presents that the date mark (oval cartouche with a symbol above the X) looks nothing like Sheffield 1817 (square cartouche with only an X) - unless you are refering to an alternative Assay Hall.
cheers
Stuart.

Hi all,
This one had the better of me.
I can't make out the maker - save ending in '& Co' but while ideal to identify and appreciate guidance, is not my primary query.

There is no Assay office but the date letter (x) has maybe a crown above it and while it most closely matches Sheffield 1797 the ...