50 Centavos 1957 Cuauhtémoc (Copper): Value & Prices

If you inherited or found a big copper Mexican coin with a warrior's head on it dated 1957, here's the honest answer: it's the 50 centavos featuring Cuauhtémoc, and in worn, circulated condition it's worth well under 1 USD. A pristine, uncirculated example can bring a few dollars. Nothing more, unless it's a verified mint error. Here's how to tell what yours is.

What this coin actually is

This is the Mexican 50 centavos struck in 1957 with the bust of Cuauhtémoc, the last Aztec (Mexica) ruler, on the reverse. In catalogs it's listed as KM#450. It's a large, heavy copper coin that's easy to mistake for something older or more valuable than it is because of its size.

The specs, which you'll want to verify against your own coin, are exact:

Note the metal: this is copper, not silver. That matters because a lot of people find a large old Mexican coin and assume it must be silver bullion. It isn't. There's no precious-metal floor under this piece, so its value is entirely about how rare and how well-preserved it is, and for the 1957 issue, it isn't rare.

How much is the 1957 50 centavos worth in 2026?

Be realistic. This was a circulating coin, produced in large numbers for everyday use. Millions passed through Mexican pockets. That means survivors are common, and common coins stay cheap no matter how old they look.

• Well-worn / circulated: under 1 USD. Often sold in bulk lots of world coins by weight.
• Lightly circulated with clear detail: roughly 1 to 3 USD.
• Uncirculated (no wear, original luster): a few dollars, generally in the 5 to 15 USD range for a genuinely nice, problem-free example.

Those are ranges, not guarantees. Condition, called grade, is the single biggest factor for a common coin like this. A worn 1957 and a flawless 1957 are the same coin but not the same price. If you want to understand how grading moves the number, see our coin grading guide.

The one thing that could make it worth real money

Mint errors. A genuine, verifiable striking error (off-center strike, die rotation, a double strike, or a documented variety) can multiply the value of an otherwise ordinary coin. The catch: most "errors" people spot on social media are post-mint damage, dings, corrosion, or scratches from decades in circulation, not factory errors. Those add nothing and usually subtract value.

If you think you have a real error, don't guess. Post clear photos of the front (anverso), back (reverso), and edge to the Pesoteca forum and let collectors weigh in before you sell or spend money on certification.

How to check if yours is genuine

This coin isn't a common counterfeit target because it's low value, but it's still worth a two-minute check:

1. Weigh it. A genuine piece weighs 14 g. Use a jewelry or kitchen scale that reads in grams.
2. Measure it. Diameter should be 33 mm. Use a caliper or a ruler.
3. Check the edge. It should be reeded (fine vertical grooves), not smooth.
4. Look at the strike. Real coins have sharp, even relief. Fakes often show flat, mushy detail or off color.

If weight and diameter match and the edge is reeded, you almost certainly have the real thing. Fakes typically miss on weight or diameter.

Where to sell it

Set expectations first: unless yours is uncirculated or a verified error, this is a low-value coin, and it's not worth overpaying for shipping or fees to move a 1-dollar piece. That said:

• Verified coin dealers: browse the Pesoteca shop directory to find a numismatic dealer who can appraise it in person, no middleman markup.
• Collector-to-collector: list it in the Pesoteca buy/sell forum, where people actually want Mexican coins.
• Bulk world-coin lots: if it's heavily worn, the practical move is to sell it alongside other coins as a lot rather than one at a time.

Whatever route you pick, photograph both sides and the edge, and compare your coin's grade to the ranges above before you accept an offer. Don't dump it to the first buyer on a social marketplace.

Got a 1957 50 centavos and not sure whether it's just worn or actually uncirculated? Post your photos in the Pesoteca forum and we'll help you pin down the grade.

Issued during the Estados Unidos Mexicanos, the official name adopted from the Constitution of 1857. Banxico records a strike of 50 pieces for the year 1957. Referenced in the Harper catalog, North American Coins & Prices.