20 Pesos Gold Coin 1872: Value & Melt Price

If you have an 1872 Mexican 20 pesos gold coin, the fastest honest answer is this: it is a real gold coin with a hard floor. It contains 33.81 grams of 0.875 fine gold, roughly 0.952 troy ounces of pure gold, so its melt value alone runs well above 2,000 USD at current gold prices. That is the minimum. A clean, high-grade example can be worth considerably more to collectors.

This is not a coin that will disappear in a coffee can and turn up worthless. Gold coins from the early Mexican Decimal system are recognized, tradeable, and always find a buyer. The real question is whether yours is worth just its metal, or a premium above it.

What this coin actually is

After Mexico's 1857 Monetary Reform, the country dropped the old system of reales and switched to a decimal system based on the peso. The 20 pesos was the top gold denomination. This 1872 issue was struck during the Restored Republic period under Benito Juárez, after the fall of the Second Empire, and before the long Porfiriato era.

The hard specifications you can verify on your own coin:

Feature	Specification
Denomination	20 pesos (Decimal system)
Year	1872
Metal	Gold, 0.875 fine (21 karat)
Weight	33.81 grams
Pure gold content	approx. 0.952 troy oz
Diameter	33 mm
Edge	Reeded
Mint	Mexico City (Casa de Moneda de México)

If your coin does not weigh 33.81 grams and measure 33 mm, treat it with suspicion. That is the single most useful test you can run at home.

What it is worth in 2026

There are two values at play, and it matters which one applies to your coin.

Melt value (the floor). Because it holds about 0.952 oz of pure gold, this coin is never worth less than its metal content. That figure moves with the gold market day to day, but it has stayed above 2,000 USD in recent years and rises when gold rises. Even a worn, scratched, ex-jewelry example is worth this much.

Numismatic value (the premium). A coin in strong condition, especially certified Uncirculated or Mint State by NGC or PCGS, can sell for a meaningful premium over melt. Early-date Mexican gold in high grade draws real collector demand. Circulated pieces with honest wear usually trade close to melt, so most inherited examples fall in that range: their value is the gold, plus a modest collector bump.

Be honest about condition before you get excited. The jump from "worth its gold" to "worth a premium" is entirely about grade and eye appeal.

Is it rare?

Mint figures for this specific early Decimal issue are not cleanly documented, which tells you the surviving population is limited but does not, by itself, make any single coin scarce. Rarity here depends on the exact date, mint mark, and grade, not on the year alone. Two 1872 20 pesos coins can be worth very different amounts if one is worn and one is Mint State.

What drives a premium: certified high grade, strong strike, and original surfaces. What does not: simply being 150 years old. Age is not rarity.

How to tell if yours is genuine

Gold coins are counterfeited, and this denomination is a target. Run these checks:

1. Weigh it. It must be 33.81 grams. Counterfeits from lower-purity gold or base metal almost always miss the weight. A cheap jeweler's scale settles most cases.
2. Measure it. 33 mm diameter, reeded edge. Fakes often get the edge wrong.
3. Look at the surfaces. Casting bubbles, soft mushy details, or a seam on the edge are red flags.
4. Certify anything valuable. If the coin might sell above roughly 250 USD over melt, professional grading by NGC or PCGS is the definitive answer. Their slabs confirm authenticity and grade in one step.

For a coin carrying this much gold, a professional appraisal before you sell is worth the fee.

Where to sell it

Because the coin has real gold content, you always have a buyer. Your options, from safest to riskiest:

• A verified coin dealer. Use the Pesoteca dealer directory to find a reputable shop that will appraise and buy on the spot, no middleman markup.
• The Pesoteca collector marketplace. The buy and sell forum connects you directly with collectors who understand what this coin is.
• A precious-metals buyer. If you only want the melt value, any established gold buyer will pay close to spot for the metal. You lose any numismatic premium this way, so only do this for a worn coin with no collector upside.

Whatever route you choose, photograph the front, back, and edge, and confirm the weight before money changes hands. Do not dump a gold coin on the first social-media offer.

Want to explore related pieces? See the Restored Republic and Porfiriato era, other Mexican 20 pesos coins, and coins from 1872.

Got the coin in hand and not sure what grade it is? Post clear photos of both sides and the edge in the Pesoteca forum and let collectors weigh in before you sell.

Numismatic type: Balance scale.

Edge: Reeded.