To authenticate vintage pieces, experts recommend The Little Book of Mexican Silver Trade and Hallmarks to cross-reference maker marks. 3. Red Flags & Avoiding Scams The Ultimate Guide to Buying Silver Bullion Online Safely
For investment-grade coins like the Libertad, use major dealers such as JM Bullion or SilverTowne , which provide insured shipping and authenticity guarantees.
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).
Genuine pieces often feature "Mexico," "Hecho en Mexico," or the name of the town (e.g., "Taxco").
Look for "925" (the standard for sterling), "950", or higher.
Used between 1948 and 1979, these silhouettes often include a number identifying the specific workshop. 2. Choose Reliable Online Platforms
For international buyers, certain vendors and marketplaces are more reliable than generic resale sites:
Authentic Mexican silver must carry specific engraved marks to verify its purity and origin: