Rolex

While checking some dial plates regarding their authenticity I've found finally a proof for the EGGLI-WEIBEL hallmark. An earlier superb post form Stefano Mazzariol shows amongst others this hallmark labeled METELEM (correct producer name is METALAM): Fol...  

It shall be this here: BTW, the EW sample etui auction on eBay has meanwhile become closed! Best, Xeramic ...  

And learning something new. Is there a specific period when they supplied Rolex with dials. Thanks for the report. Bill