The mark is very difficult to read. It is either MR-01 or MP-01 or something else. It isn't marked MATL anywhere, but sure looks like her style. Any light anyone can shed on the set or the mark would be greatly appreciated. Thanks.
Necklace and clip earrings
Close up of the mark on the back of the necklace clasp
This is a close up of one clip earring. The clip is marked sterling in block letters. The earrings are marked on the back of the bottom link, but all we can make out is 925 and MEX.
Close up of a necklace link. The amethysts are pyramids.
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Mindy & Bob from Kansas City
Is This MATL? Or someone else?
Mathilde Poulat (Matl) died in 1960, for many years her nephew, Ricardo Salas, had worked along side her and continued the business after her passing. Apparently he was still working when the number/letter system came into being and he was designated mark MS-12. Don't think yours can be read as that, but considering the longstanding popularity of Matl's work, it is not surprising that there were, and are, others working in a derivative style.
Regards, Tom
Regards, Tom