Need help ID hall mark

[coinhound1983]

What in the heck is 11a Sophia on the inside of the band of a peridot ring?? Can't find anything on the composition!!!

 

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[petecnc]

i think the "Sophia" is the brand name of the jewelry, like avon. not sure what the 11a is,maybe a model or number?

 

[foilfinder]

That or Sophia Loren jewelry collection, many older stars turn to selling their image/name when the movie roles stop coming in.