Postby agphile » Mon Nov 23, 2015 6:25 am
I'm afraid I don't quite agree about the interpretation of ЮММЕТ. There are two parts to the mark which are sometimes separated by the date code. For instance, I have an example with ЮМ4МЕТ where I think the 4 is for 1974, but it could be 1964. The second, МЕТ part will indeed indicate a base metal alloy, probably copper, nickel and zinc. A quick search of Russian language sites produces conflicting interpretations of the first part. I am most persuaded that it stands for ювелирная артель (or ювелир) “Мстёра“, the Mstyora (or Mstera) jewellery workshop. One Russian site had the M standing for Moscow but Mstera Jewellers still exist. They seem quite a large undertaking with their own website and do seem the most likely source for so many items bearing this mark.