is this Taxco?

[mugsisme]

I can't find RTC for a hallmark anywhere. I found one old auction from the UK with the same exact hallmark, but no identification of who the hallmark is.

 

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[diggummup]

It is listed on page 237 of Billie Hougart's "Little Book Of Mexican Silver Trade And Hallmarks." As far as Taxco, no mention of a particular city, just the style of the mark used.