Hello,
I understand the hammer & sickle with 583, indicates 14K gold, 58.3% (likely rose gold, with copper). The ring has an additional mark "93K" - does anyone know what this indicates or has additional information on this piece?
https://lh3.googleusercontent.com/dPpCF ... 4-h1258-no
https://lh3.googleusercontent.com/5jU8I ... 4-h1258-no

