Look for "925" (the standard for sterling), "950", or higher.
Since 1948, makers have used codes like "T S 79" (where "T" is Taxco, "S" is the maker's initial, and "79" is their registration number). buy silver from mexico online
For international buyers, certain vendors and marketplaces are more reliable than generic resale sites: Look for "925" (the standard for sterling), "950", or higher