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Unknown Makers Mark J.M.C

Afternoon all,
I’m hoping someone can help with identifying the maker on a clan crest I recently came by. I’ve looked through every online archive I can find and have come up blank. It’s a Sankey crest with the maker J.M.C. and no further marks. Im thinking it’s a Scottish maker, but happy to be proven wrong.

Probably John M Clark of Kingussie who registered an apparently identical mark at the Edinburgh Assay Office c1913.


Many thanks Phil. I’ll see if I can find anything else about him.

Irish. JMC if not Jewelry Manufacturing Company then there is a possibility JMC has no further info other than intials 1971 on a mug. Sankey, Coolmore, Co Tipperary