8 Reales Resplandor, Guanajuato 1887

If you inherited an 1887 Mexican 8 Reales with a Phrygian cap over sunrays and the word LIBERTAD, here is the honest answer: in worn condition it is worth roughly USD 20 to 40, most of that being its silver content. A sharp, uncirculated example can bring several hundred dollars. It is not a rare date, but it is real silver, so it has a firm floor.

This coin is a peso fuerte, better known to collectors by its nickname "Resplandor" (Spanish for the radiant sunburst design on the front). It was struck in 1887 at the Guanajuato mint, one of Mexico's historic silver-mining cities. It belongs to the long-running 8 Reales silver series of the Mexican Republic.

What it's actually worth in 2026

The value comes from two things: silver content and condition. Let's separate them.

Silver first (the floor). The coin weighs 27.07 grams and is struck in .900 fine silver (also cited as .9028 for this republican standard). That works out to about 24.4 grams, or roughly 0.78 troy ounces, of pure silver. At current silver prices that alone is worth around USD 20 to 25. No 1887 8 Reales in genuine silver is ever worth less than its melt value, no matter how worn.

Condition on top. Above melt, price depends entirely on how much detail survives. Circulated coins with clear but soft design bring a modest premium over melt. Coins with full, sharp strike and original luster, the kind graded About Uncirculated or Mint State by NGC or PCGS, are where collector money shows up.

Grade	What it looks like	Approx. value (USD)
Good / Fine (heavily worn)	Design flat, readable	20 to 40
Very Fine	Moderate wear, clear detail	40 to 90
Extremely Fine	Light wear, most detail sharp	90 to 200
About Uncirculated / Mint State	Little to no wear, luster present	200 to 700+

These are general ranges for a common date and mint. A certified high-grade example, or a scarcer die variety, can run higher. Values move with the silver spot price, so the low end tracks the metal.

How to identify your coin

Check these against your piece:

• Weight: 27.07 grams. Use a jewelry scale.
• Diameter: 39 millimeters.
• Fineness: .900 silver.
• Edge: reeded (grooved).
• Front (obverse): a Phrygian cap resting over radiating sunbeams, the "resplandor" design, with the word LIBERTAD.
• Back (reverse): the Mexican eagle facing forward, perched on a cactus, eating a snake, with the legend REPÚBLICA MEXICANA. Look for the Guanajuato mintmark and the assayer's initials.

This type was struck under the republican eight-real standard used until the 1905 monetary reform, so the same design appears across many years and mints. Yours is specifically 1887, Guanajuato.

The myth: "old silver coin, so it must be a fortune"

It isn't, and it's better to know now. The Resplandor 8 Reales was minted in large numbers across many years to serve as trade silver. That makes most surviving pieces common. Age does not create rarity here; grade and specific date/mint combinations do. A worn 1887 Guanajuato is a silver coin worth its metal plus a small collector premium, and that is a perfectly fair thing to own. The pieces that break records are the top-grade certified survivors, not the average one in a coin jar.

Watch for fakes

Because these coins are silver and widely collected, counterfeits exist, both period contemporary fakes and modern copies. Two quick tests:

1. Weigh and measure it. A fake often misses the 27.07 g weight or 39 mm diameter. If it's underweight, it isn't full silver.
2. Study the engraving. Copies show mushy lettering, wrong assayer initials, or a mismatched mintmark. Compare against verified images.

Be suspicious of any offer priced well below the silver value. Nobody sells real silver at a loss by accident.

Where to sell it

For a coin whose value is mostly metal, avoid pawn shops and first-offer buyers online who lowball on the silver. Better options:

• A verified coin dealer from the Pesoteca shop directory, who can value it in person and pay fair silver plus any collector premium.
• The Pesoteca buy-and-sell forum, where collectors trade directly.

Before you sell, photograph the front, back, and edge in good light, weigh it, and check it against the grade ranges above. If you think you have a high-grade example, getting it certified by NGC or PCGS can pay for itself.

Got an 1887 Resplandor sitting in a drawer? Post clear photos of both sides in the Pesoteca forum and the community will help you pin down the grade and whether the date and mint are worth a premium.

In 1887 Porfirio Diaz was governing in his second continuous term. Years of railway expansion (Mexico-Ciudad Juarez, Mexico-Laredo) and of consolidation of foreign capital in mining and industry.

The Guanajuato mint (Go) was one of the 3 great mints of the late viceroyalty along with Mexico and Zacatecas. Fed by the Veta Madre and Valenciana, it operated until 1900.

The Go 8 reales have high mintages compared to minor mints, but specific years with a transitional assayer are valued.

As a catalog reference, the variant of this mint is listed as KM#377.8 in Krause. The piece is silver of .9028 fineness with a reeded edge and a theoretical weight of 27.07 grams. The 1887 Guanajuato specimen corresponds to the mature stage of the mint, near its closing (1812-1900) and is identified on the coin by the Go mint mark.

When hunting Go resplandor 8 reales it is best to compare with the photographic reference of the Pesoteca catalog and prioritize specimens with a legible reverse (eagle, serpent, legend REPUBLICA MEXICANA and value 8R) over pieces with only the obverse bright. The peer-to-peer price among collectors of the 1880s cycle tends to be fairer than the display case of a specialty shop, where the markup can double the real reference.