1811 Insurgent 8 Reales: Value & How to Sell

If you inherited an 1811 8 Reales stamped by Mexico's insurgent army, you have something more interesting than most old coins. Genuine, legible examples routinely trade from a few hundred dollars into the low thousands, with exceptional pieces going higher. Crude, hand-cut die work is normal here, not a defect. Here is what it is, what it is worth, and how to tell if yours is real.

What you actually have

The 8 Reales is the old Spanish-colonial "piece of eight," the large silver dollar-sized coin that circulated across the Americas. The insurgent version was struck by the independence movement during the early years of the Mexican War of Independence (1810 to 1821), in territory the rebels controlled, using limited equipment under wartime pressure.

That wartime origin is the whole story of its value. The coins are cruder than the royalist (Spanish crown) coins minted at the same time, and that roughness is authentic, not a flaw. Well-struck, professional-looking "1811 insurgent" coins with sharp modern surfaces are the ones you should be suspicious of.

The specs, exactly:

• Metal: silver, 0.900 fineness (90 percent silver)
• Weight: 25.39 grams
• Diameter: 36 mm
• Edge: plain (smooth)
• Catalog reference: Krause KM#234
• Date: 1811 only

At 0.900 fineness and 25.39 grams, each coin holds roughly 0.735 troy ounces of pure silver. That gives it a bullion floor: even a damaged example is worth its silver content. But for a genuine insurgent piece, the collector value sits well above melt.

What it is worth

There is no single sticker price. Value on early insurgent coinage swings hard on three things: authenticity, how legible the date and design are, and overall condition (grade).

• Corroded, holed, or barely legible: silver value plus a modest collector premium. Think low hundreds.
• Circulated but honest, clear date, identifiable type: several hundred dollars to low four figures for the more common issues.
• High grade, sharp detail, certified: into the thousands, and select rarities well beyond that.

Insurgent coinage was produced at multiple crude mints (Zacatecas, provisional royalist-captured presses, and improvised operations), and specific varieties matter a lot to specialists. A common type in rough shape is a modest coin. A scarce mint or variety in strong grade is a serious rarity. Exact mintage figures for these wartime issues were never officially documented, which is itself part of why survivors command a premium.

Coin	Year	Metal	Approx. silver content	Typical value range (genuine)
Insurgent 8 Reales (KM#234)	1811	0.900 silver, 25.39 g	~0.735 troy oz	Low hundreds to several thousand USD by grade and variety

Because fakes and modern replicas of insurgent coins are widespread, we will not quote a false "exact" price. Two authentic 1811 8 Reales can differ by a factor of ten based on grade and variety alone.

The myth: "war coin, so it's worth a fortune"

The historical romance of an army striking its own money makes people assume every 1811 insurgent piece is a five-figure treasure. It is not. Plenty of genuine, worn examples sell for a few hundred dollars, and a large share of the "1811 insurgent 8 reales" offered online are replicas, tourist copies, or later fantasy strikes.

The coin has real value, but that value is earned by authenticity and grade, not by the date alone. Treat any listing that promises instant wealth with suspicion.

How to tell if yours is genuine

Start with the physical checks, since they are free:

1. Weigh it. A real one is 25.39 grams. Well off that (say under 24 g or over 27 g) is a red flag.
2. Measure it. 36 mm diameter. Cast copies are often slightly small or slightly thick.
3. Check the edge. Plain (smooth) edge on this issue. A reeded or oddly seamed edge suggests a cast fake.
4. Silver ping test. Real 0.900 silver rings with a clear, high, sustained tone when balanced on a fingertip and tapped gently. Base-metal fakes sound dull and short.
5. Look at the surfaces. Genuine coins show honest wear and period toning. Sandy, pitted texture across the whole surface is a classic sign of a cast reproduction.

None of these are proof by themselves. For a coin that could be worth four figures, the only real insurance is third-party certification. Send the best candidate to NGC or PCGS. A certified, slabbed coin sells faster and for more, because the buyer is not gambling on authenticity.

Where to sell it (US and international)

For a coin this specialized, avoid dumping it with a local pawn shop or bullion counter that will pay melt only.

• Specialist auction houses. Heritage Auctions and Stack's Bowers both handle Mexican and Latin American numismatics and reach the collectors who pay the strongest prices for early insurgent coinage. Best route for a certified, high-grade example.
• Certified-coin dealers. A dealer who knows Mexican colonial and independence issues will make a fair offer on a slabbed coin.
• Collector communities. For direct sales among enthusiasts, use the Pesoteca marketplace forum and our verified shop directory to find buyers by location without middleman markup.

Wherever you sell, photograph the obverse, reverse, and edge clearly, and share the weight. Serious buyers ask for exactly that.

If you have an 1811 insurgent 8 Reales and you are not sure whether it is genuine or which variety you have, post clear photos of both sides and the edge in the Pesoteca forum and let collectors who handle these coins weigh in.

This piece corresponds to the insurgent strikings of the War of Independence (1810-1821), issued by the rebel forces outside the Spanish Crown, then represented by Fernando VII.

The government of New Spain in 1811 was in the hands of Francisco Javier Venegas, in the midst of the War of Independence against the army of Hidalgo and Allende.

The piece belongs to the so-called insurgent strikings, issued by the rebel forces of Miguel Hidalgo, Ignacio Lopez Rayon, Jose Maria Morelos and other leaders during the War of Independence. They were struck at provisional mints such as Zitacuaro, Sultepec, insurgent Oaxaca or Chilpancingo, with rustic dies that replaced royal iconography with insurgent symbols: eagle, bow, arrows, SUD monogram.

The declared origin of minting is: insurgent mints. The piece bears no assayer's initials certified by the Royal Treasury: the insurgent issues were struck outside the official structure and did not follow the Spanish Crown's formal system of assayers.

The Krause catalog references this piece under KM#234, useful for cross-checking the record against international auction listings.

A year of the execution of Miguel Hidalgo in Chihuahua after the disaster at Puente de Calderon.