Can you please help me with the hallmark

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AndroVid_4774
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AndroVid_9392
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AndroVid_5055
AndroVid_50551080×1920 184 KB

AndroVid_9263
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You have a Birmingham sterling silver hallmark with the date letter M for the assay year 1961/62. The maker/sponsor, RX, is a company called Ronex, listed as manufacturing jewellers.

Phil

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Thanks for the reply it’s extremely appreciated