I haven't dealt with much Egyptian silver; however, the gold jewellery that has been hallmarked in Egypt has assay marks struck in most parts possible.
I have a 1920s Art Deco diamond-set platinum clasp with these stamps on the tongue.
They don't seem to be hallmarks but would like to give it a try here, I appreciate any of your thoughts.
the stamp reads 'Kan' (warship), couldn't manage to find out the exact maker, however there are some other examples (mainly souvenir spoons) from Nagasaki that use the Russian 84 zolotnik as a fineness standard.
That was our initial thought as well. However, do you think different spellings are usually phonetically similar, so just different ways of writing the original Chinese phonemes.In this case, it may not be close enough to attribute this to Onn Sing. But there’s always the chance it could be ...
Hello Connor! Many thanks for your reply but I have a new question. I found on the Internet that maker Guang Ji worked in Hong Kong and Lain Chang was known in Shanghai. Could this really happen? Regards/ Alex. https://i.postimg.cc/mgbWjNKZ/364-3.jpg
The characters on the front is a phonetically translated name, which sounds like "Mary Jane Nicoli / Niccoli"
maker's mark Lain Chang (active in Shanghai c. 1900)
artisan mark 廣記 GuangJi