8 Reales Álamos 1889: Silver Value & Prices

If you inherited or found an 1889 8 Reales from Mexico, here is the honest answer first: it is a real silver coin with a value floor set by its metal content, and a common example in worn condition is worth roughly its silver value, typically 20 to 30 US dollars depending on the silver spot price. Sharp, high-grade examples and the scarcer Álamos mint can bring more. This is not a million-dollar rarity, but it is genuine silver and worth checking properly.

What you actually have

The 8 Reales was Mexico's classic silver "dollar," the coin that circulated worldwide through the 1800s. The design on your piece is the Resplandor type (Spanish for "radiance" or "sunburst"): the front shows a Phrygian cap on a burst of sun rays with the word LIBERTAD, and the back shows the Mexican eagle devouring a serpent on a cactus, with the legend REPÚBLICA MEXICANA.

Yours was struck at the Álamos mint in the state of Sonora, dated 1889. This falls in the late Porfiriato era, before Mexico's 1905 monetary reform ended the old octaval (8-reales) standard.

Technical specs (keep these to verify authenticity)

Feature	Value
Denomination	8 Reales
Year	1889
Mint	Álamos (Sonora)
Metal	Silver 0.900 fine (0.9028 standard)
Weight	27.07 grams
Diameter	39 mm
Pure silver content	approx. 24.4 grams
Edge	Reeded

What it is worth in USD

The realistic value comes down to three things: silver content, condition (grade), and how scarce your specific mint and date are. The Álamos mint is one of the smaller regional mints, which can add a modest premium over common Mexico City strikes among collectors who chase mint sets.

• Worn (circulated, heavy wear): roughly melt value, about 20 to 30 US dollars, tracking the silver spot price.
• Better circulated (clear details, light wear): commonly 30 to 60 US dollars.
• Uncirculated or near-mint: can run into the low hundreds, and standout certified examples of scarcer mints go higher at auction.

Because it is a precious-metal coin, it can never be worth less than its silver, which gives you a hard floor. Check the current silver spot price and multiply by the pure silver content (about 24.4 grams, or roughly 0.785 troy ounces) to know your baseline before anyone quotes you a number.

The myth to ignore

A lot of online listings tag old Mexican silver as "rare treasure worth thousands." For a common-date, worn 8 Reales, that is not true. Age alone does not make a coin valuable. What drives real premiums is genuine scarcity (low surviving numbers), high grade, and certified authenticity. A well-worn 1889 Álamos is a nice, honest silver coin, not a jackpot. Treat any offer far below its melt value as a red flag, and treat any breathless "worth a fortune" claim with the same skepticism.

How to tell if yours is genuine

Counterfeits of Mexican colonial and republican silver are common, so verify before you buy or sell.

1. Weigh it. Use a jewelry scale. A genuine piece should be very close to 27.07 grams. Underweight coins are a warning sign.
2. Measure it. Diameter should be about 39 mm with a caliper.
3. Check the edge. It should be reeded (fine vertical grooves), not smooth or seamed.
4. Inspect the engraving. Compare the mint mark, the assayer initials, and the style of the eagle and sunburst against verified references. Fakes often have soft, mushy detail.
5. When in doubt, certify. For higher-grade pieces, professional grading (NGC or PCGS) confirms authenticity and grade in one step and raises resale confidence.

Where to sell it

To sell your 1889 Álamos 8 Reales, use buyers who let you verify the coin in person or through clear photos:

• A verified numismatic dealer from the Pesoteca shop directory, who can appraise it on the spot.
• The Pesoteca buy-and-sell forum, where collectors trade directly.

Photograph the front, back, and edge in good light before listing. Confirm the current melt value first so you know your floor. Avoid dumping it to the first bidder on a general marketplace. For grading questions, see the coin condition grading guide.

Got an 1889 Álamos 8 Reales in hand? Post clear photos of both sides on the Pesoteca forum and let the community help you pin down its grade and value.

In 1889 Porfirio Diaz governed during the mid-Porfiriato. These were the years of the 1889 Paris Universal Exposition with a Mexican pavilion, and of the consolidation of the railroad as a backbone of the economy.

The Alamos mint (As) reopened in 1862 during the French Intervention to provide liquidity to the silver mining region of southern Sonora. It operated until 1895, when Porfirian centralization concentrated minting in Mexico City and Zacatecas.

As pieces are sought by collectors in the northwest and by mining-theme collectors. Annual mintages were relatively low compared to Mexico City or Zacatecas.

As a catalog reference, this mint's variant is listed as KM#377 in Krause. The piece is .9028 fineness silver with a reeded edge and a theoretical weight of 27.07 grams. The 1889 Alamos, Sonora example corresponds to the mature stage of the mint, near its closure (1862-1895), and is identified on the coin by the As mint mark.

To hunt down this As piece without paying a premium, check both regional fairs and professional auction listings. Examples from the 1880s cycle in As have enough supply to compare edges, original luster, and hairlines across 3 or 4 options before closing a deal. Verify the absence of filing on the edge and that the radiance of the Phrygian cap isn't weak from wear; both are marks of circulated examples presented as higher quality.