What does DSC then a crown hallmark and then 375 mean on a ring?
DSC is the stamp of the sponsor, or maker. The crown is the
stamp of the assay office that assures the quality of the material.
The crown might me a castle, which would inidicate that the ring
has been stamped in the Edinburgh assay office. The number 375
shows that the ring is made from 9 carat gold.