8 Reales Resplandor, Hermosillo 1877: Value Guide

If you inherited or found an 1877 Mexican 8 Reales from the Hermosillo mint, here is the honest answer: in worn condition it is worth roughly 30 to 60 USD, close to its silver value. In sharp, high-grade condition it can bring several hundred dollars. It is not a million-dollar coin, but it is real silver with genuine collector demand, and Hermosillo pieces are among the more sought-after issues.

This is the classic "Cap and Rays" silver dollar of Mexico, called the Resplandor in Spanish (meaning "radiance," for the sunburst on the front). US collectors know these as 8 Reales or Mexican silver dollars. They circulated worldwide in the 1800s and are one of the most recognizable coins in Latin American numismatics.

What you actually have

The 8 Reales was Mexico's main silver trade coin for most of the 19th century. Your specific piece was struck in 1877 at the Hermosillo mint, in the state of Sonora, marked with the mintmark Ho.

Feature	Detail
Denomination	8 Reales
Year	1877
Mint	Hermosillo (mintmark Ho)
Metal	Silver, .900 fine (some references cite .9028)
Weight	27.07 grams
Diameter	39 mm
Edge	Reeded
Era	Restored Republic / Porfiriato

Front (obverse): A Phrygian cap (a liberty cap) over a radiant sunburst, with the word LIBERTAD ("Liberty"). That sunburst is why the coin is called the Resplandor.

Back (reverse): The Mexican eagle facing forward, perched on a cactus, devouring a serpent, with the legend REPÚBLICA MEXICANA. Around the eagle you will find the mintmark, the assayer's initials, the denomination, and the fineness.

What it's worth in USD

Value on these coins is driven by three things: silver content (the floor), condition, and how scarce that exact mint and year are. Because each 8 Reales holds about 0.786 troy ounce of pure silver, even a heavily worn example is never worth less than melt value.

Condition	Approximate value (USD)
Heavily worn (Good to Fine)	30 to 60 USD (near silver value)
Moderate wear (Very Fine)	60 to 120 USD
Light wear (Extremely Fine)	120 to 250 USD
About Uncirculated / lightly circulated	250 to 500 USD
Mint State (uncirculated, certified)	500 USD and up

These are working ranges. Hermosillo issues, along with some other branch mints, tend to be scarcer than the high-mintage Mexico City coins, which can push prices toward the top of each range when the coin is well preserved. Assayer initials and small die varieties can also matter to specialists.

Where the real money is (and isn't)

A common myth is that any 1800s silver coin is worth thousands just for being old. It is not. The vast majority of 8 Reales are common circulated coins worth close to their silver content. The premium comes from grade and from the specific mint-year combination being genuinely scarce.

The coins that bring serious money at auction are the rare dates, rare mints, and truly uncirculated survivors certified by NGC or PCGS. A worn 1877 Ho that has been in a drawer for a century is a nice silver coin, not a jackpot. Sell it as what it is and you will do fine.

How to tell if yours is genuine

Counterfeits of Mexican 8 Reales exist, including modern cast fakes and period contemporary copies. Check these first:

• Weight: it should be very close to 27.07 grams on a jewelry scale. A fake often comes in noticeably light or heavy.
• Diameter: 39 mm with a digital caliper.
• Edge: the reeding should be even and sharp, not mushy or seamed. A visible seam around the edge is a red flag for a cast copy.
• Detail: the eagle's feathers and the sunburst rays should be crisp. Cast fakes look soft and grainy.
• Mintmark and assayer: confirm the Ho mintmark and correct assayer initials for 1877.

Be suspicious of any offer far below the coin's silver value. That usually means someone thinks it is fake, or knows it is.

Where to sell it

Get more than one opinion before selling. For a coin like this, your best options are:

• A verified dealer from the Pesoteca shop directory, who can weigh and value the piece on the spot.
• The Pesoteca buy-and-sell forum, where collectors trade directly.
• For high-grade or valuable examples, get it certified by NGC or PCGS first. A slab (certified holder) removes doubt about authenticity and grade and usually raises the price.

Photograph the front, back, and edge in good light before you sell, and compare your coin to the Mexican coin grading guide so you know its condition. Avoid dumping it to the first bidder on social media.

Think you have a rare Hermosillo variety or an uncirculated example? Post clear photos on the Pesoteca forum and let collectors weigh in before you decide what it's worth.

In 1877 Porfirio Díaz assumed the presidency for the first time after the triumph of the Plan de Tuxtepec. The start of the Porfirian cycle that would last until 1911, though with the exception of Manuel González's four-year term.

The Hermosillo mint (Ho) was established in 1835 to handle the silver of Sonora without depending on Álamos. It closed in 1895 with the centralizing reform of the Porfiriato.

The Ho pieces have low mintages compared with Mexico City or Zacatecas. Late years (1893-1895) are harder to find in good grade.

As a catalog reference, this mint's variant is listed as KM#377.9 in Krause. The piece is silver of .9028 fineness with a reeded edge and a theoretical weight of 27.07 grams. The 1877 example from Hermosillo, Sonora corresponds to the phase in the mint's middle stage (1835-1895) and is identified on the coin by the mint mark Ho.

To hunt this Ho piece without paying an overprice, check both regional fairs and professional auction listings. The examples of the 1870s cycle in Ho have enough supply to compare edges, original luster, and hits among 3 or 4 options before closing. Verify the absence of filing on the edge and that the resplandor of the Phrygian cap is not weak from wear; both are marks of circulated examples presented as superior quality.