www.925-1000.com

Hi and welcome to the forum. The mark which you have been unable to identify is a Dublin import mark. So M.J.W is more likely to be the importer rather than the maker. Unfortunately I do not know who M.J.W is. The 925 and convention mark are original and would have been applied at the same time as ...

https://lh3.googleusercontent.com/ZslMMtyEh_keRVakQVvOhQXLEznovPBgYvCY5o09_ZCh3NZKMh1P2CtOLJlHZtgK-BTR41-QBMhvKYH5rvLixTg7k-OXg2g3aidieWaHWoQgnxfglPtlyBh6ArrBT74U0jiVTX8KqvjBgDXKTRnfuGF6hS7H2Md4e0Y4suJGBSOV8IoSuvuDMLOldQdHV1z4-9QrnyIc5cSzrrNIVDoh2Ucqhw9hwRr705W6HiIySz0R9ASf3pE-ZTi57Jai-X69QYNuubRlC...