Catalog
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| Issuer | Casa de Moneda de México (Mexican Mint) |
|---|---|
| Year | 1990 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Round |
| Technique | Log in to see details |
| Orientation | Log in to see details |
| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
| Reference(s) | Log in to see details |
| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | Log in to see details |
| Reverse description | Log in to see details |
| Reverse script | Latin |
| Reverse lettering | Log in to see details |
| Edge | Reeded |
| Mint | Log in to see details |
| Mintage | Log in to see details |
| Additional information |
The Libertad series was introduced in 1982 as Mexico's official silver bullion program, but the fractional denominations took years to reach production. The half-onza was being evaluated in the late 1980s alongside other fractional sizes, and 1990 pattern pieces exist documenting that evaluation process before the denomination entered regular circulation. Patterns from this program are rarely cataloged with any consistency — the Mexican Mint did not publicize trial strikings, and survivors surface almost entirely through the secondary market rather than official records.