Mexican 50 Peso Centenario Melt Value
A Mexican 50 Peso Centenario contains 1.2057 troy oz of pure gold (41.67 g × .900). At $4,147/oz gold, its melt value is about $5,000. Dealers quote bullion as a premium or discount to melt.
Values above refresh with the October 19, 2026 spot price.
Mexican 50 Peso Centenario specifications
| Years | Fineness | Gross weight | Pure gold | Diameter | Face value |
|---|---|---|---|---|---|
| 1921–1947 | .900 (90%) | 41.67 g | 37.5 g (1.2057 oz t) | 37 mm | 50 Pesos |
Struck from 1921 for the centennial of Mexico's independence; later restrikes are dated 1947. At 41.667 g of .900 gold it holds 1.2057 oz of pure gold, more than any common bullion coin.
How the melt value is calculated
Melt value = gross weight × fineness ÷ 31.1035 × spot price. For the Mexican 50 Peso Centenario: 41.67 g × .900 = 37.5 g of pure gold. Divide by 31.1035 grams per troy ounce to get 1.2057 oz, then multiply by $4,147 spot: about $5,000.
Melt value by quantity
| Quantity | Pure gold | Melt value |
|---|---|---|
| 1 coin | 1.2057 oz t | $5,000 |
| 5 coins | 6.0283 oz t | $25,002 |
| 10 coins | 12.0566 oz t | $50,004 |
| 20 coins | 24.1132 oz t | $100,007 |
| 25 coins | 30.1415 oz t | $125,009 |
| 100 coins | 120.5662 oz t | $500,036 |
Melt value vs collector value
The Mexican 50 Peso Centenario is a bullion coin, so its price tracks the gold spot price. Buyers and sellers usually quote it as a premium over (or a discount to) melt value, and that premium depends on the dealer, the year and the coin's condition. Special and proof versions can sell for more. Melt value is the number to anchor on: it's what the metal alone is worth today.
Related coins
More: Gold melt value explained · How to sell gold and silver coins · How to track a precious metals stack · Free melt calculator · All coin melt values
Specs: Nu Stack coin database (curated entries and the Numista catalog). Melt values use the gold spot price from the Nu Stack price feed and are estimates of metal content only, not offers to buy or sell.
Frequently asked questions
How much gold is in a Mexican 50 Peso Centenario?
A Mexican 50 Peso Centenario has 37.5 g (1.2057 troy oz) of pure gold: 41.67 g gross weight at .900 fine.
What is a Mexican 50 Peso Centenario worth in melt value today?
About $5,000 at $4,147/oz gold (October 19, 2026). Melt value moves with the gold spot price; this page updates automatically.
Is a Mexican 50 Peso Centenario worth more than its melt value?
Bullion coins usually trade close to melt value plus a dealer premium. Proof, low-mintage or special issues can sell for more. Compare a dealer's quote against the melt value above.