Banco de México size reference

Mexican Gold Libertad Melt Value Calculator

Select one of the Gold Libertad sizes Banco de México identifies: 1, 1/2, or 1/4 fine troy ounce. The tool values fine content directly and does not treat a Libertad as a coin with face value.

One selected coin · theoretical melt value

$4,188.08USD · one documented coin
Last updated Oct 2, 2026, 5:28 AM UTC Twelve Data quote · Latest validated provider value — timing follows the source
Data source Twelve Data quoteLast updated Oct 2, 2026, 5:28 AM UTCFX reference date 2026-10-02Status Latest validated provider value — timing follows the source

Sizes

1, ½, and ¼ fine troy oz

Fineness

.999

Face value

None assigned to the series

Specification and intent

Fine-ounce sizes from the Mexican issuer reference

Banco de México describes the 1981 gold series at three pure-gold sizes and lists .999 fineness. The calculator sticks to those documented sizes and excludes unverified variants.

Mexican Gold LibertadOfficially listed 1, 1/2, and 1/4 fine-ounce gold sizes
Issuer
Banco de México / Casa de Moneda de México
Country
Mexico
Specification coverage
Officially listed 1, 1/2, and 1/4 fine-ounce gold sizes
Source method
Banco de México lists the fine-gold amount by size and 0.999 fineness. Fine ounces are valued directly; collector and dealer pricing are excluded.
Supported selectionIssue periodDenominationFinenessFine goldGross weightSource
1 oz fine goldOfficially listed 1, 1/2, and 1/4 fine-ounce gold sizesNo face value999.00‰1 troy ozNot statedMint/source ↗
½ oz fine goldOfficially listed 1, 1/2, and 1/4 fine-ounce gold sizesNo face value999.00‰0.5 troy ozNot statedMint/source ↗
¼ oz fine goldOfficially listed 1, 1/2, and 1/4 fine-ounce gold sizesNo face value999.00‰0.25 troy ozNot statedMint/source ↗

Coin-level reference: Banco de México Gold Libertad specification

Interactive tool

Estimate Libertad metal value

Choose a documented fine-ounce size, enter a coin count and select a display currency.

Enter a whole number.
Selected specification1 oz fine gold · Mexican Gold LibertadBanco de México lists the fine-gold amount by size and 0.999 fineness. Fine ounces are valued directly; collector and dealer pricing are excluded.
Fine gold in selected quantity1.000000 troy ozGross weight not stated in the linked specification.
Theoretical melt value · USD$4,188.08Fine gold × spot; no premium included.

The estimate values documented fine-gold content at the current spot reference. It is not an offer, appraisal, authentication, or collector value.

Calculation method

How the result is calculated

Published fine troy ounces × count × current Gold spot per troy ounce.

A Libertad's collectible or dealer price may differ from metal value. This tool does not authenticate a coin or forecast a sale price.

Evidence and references

Specification sources

Primary references where available

Information only, not investment advice. Theoretical metal value is not a dealer offer, retail price, jewelry appraisal, assay, or guaranteed sale price.