RGO is a standard of rating 10 k is the carats of gold

What does RGO .925 12k that is imprinted on my ring mean?

You can try using a PDF printer, such as CutePDF or PDFCreator, to print the RGO file to a PDF format. To do this, install the PDF printer and then open the RGO file in its native viewer. From the File menu, select Print and then choose the PDF printer as the output. This will generate a PDF file that you can then view and print.

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he is a busy person.