1733 Mexico 8 Reales Felipe V (Silver): Value & Prices

If you found a large silver coin dated 1733 with a Spanish king's name and "8 R" on it, you have a real piece of colonial Mexican silver. Most worn examples trade for roughly 100 to 500 USD, but a sharp, certified one can reach several thousand, and the finest known pillar dollars have crossed 20,000 USD at auction. Here is what actually drives the number.

What you actually have

This is an 8 Reales (eight reales), the coin the rest of the world called the Spanish dollar or "piece of eight." It was struck in 1733 in Mexico City, then part of the Spanish Empire under King Felipe V. The "II" and the assayer mark MF point to the mint official who guaranteed the silver. The whole colonial 8 Reales series is the ancestor of the modern US dollar, which is exactly why American collectors chase it.

Hard specs, keep these exact, they are how you spot a fake:

• Metal: silver, .900 fine (90% silver)
• Weight: 27.04 grams
• Diameter: 40 mm
• Edge: laureate (decorated, not smooth)
• Era: Spanish colonial Mexico (Virreinato)

1733 matters. It sits right at the transition between the old irregular hand-struck cob coinage and the new machine-milled pillar dollar (the "columnario" with the two globes and Pillars of Hercules). Which type you have changes the value a lot, so identify it before you price anything.

What a 1733 8 Reales is worth in 2026

There is no single price. Type, grade, and condition swing the value from pocket-change territory to five figures.

Condition / type	What it looks like	Approx. value (USD)
Heavily worn cob, damaged	Flat, corroded, holes or graffiti	80 to 250
Circulated pillar dollar	Design readable, honest wear	300 to 1,200
High-grade pillar (AU)	Sharp detail, light wear	2,000 to 6,000
Mint State certified (MS)	Full luster, no wear	8,000 to 20,000+

Those are market ranges, not a quote on your specific coin. Early pillar dollars in strict Mint State are genuinely rare because they circulated hard for a century. The record end of the market belongs to the finest certified examples, not to an average worn piece someone found in a drawer.

At bullion level, the coin holds a floor. It contains about 0.784 troy ounces of pure silver, so even a badly worn example is worth its melt value in silver at the current spot price. That is the least it can be worth, never sell a genuine colonial 8 Reales as scrap silver without checking the numismatic value first.

The myth to kill

"It's from the 1700s, so it must be worth a fortune." Age alone does not do it. Millions of 8 Reales were struck across the 1700s and shipped worldwide as trade currency, so many survive. What creates real value is a scarce date and mint combination, a rare assayer or variety, and above all high grade. A common worn 1733 is a nice historical object worth a few hundred dollars, not a life-changing find. The five-figure prices you see belong to specific, certified, top-condition coins.

How to check what yours is worth

1. Weigh and measure it. A genuine piece is 27.04 g and 40 mm. If yours is light, magnetic, or off-size, it is almost certainly a replica or a counterfeit. Reproductions of colonial silver are extremely common.
2. Identify the type. Cob (irregular shape) or pillar dollar (round, two pillars and two globes on the reverse). This alone reorders the price ranges above.
3. Grade it honestly. Cleaning kills value. A polished or scrubbed coin can lose more than half its worth to a collector. Do not clean it. Use our coin grading guide to place it.
4. Get it certified if it might be valuable. For anything you suspect is high grade or genuinely old rather than a replica, professional grading from NGC or PCGS is the standard. A certified holder both authenticates and grades the coin, and it dramatically raises what a buyer will pay.

Where to sell it

Colonial 8 Reales have a strong international collector base, so you have options:

• US auction houses (Heritage, Stack's Bowers) for genuine high-grade or rare examples. This is where record prices happen.
• A verified numismatic dealer from the Pesoteca shop directory, which values the coin on the spot.
• The Pesoteca buy-and-sell forum, collector to collector, no middleman markup.

Whatever route you pick, photograph the front, back, and edge in good light, and never ship a precious-metal coin before payment clears. Because these are so widely counterfeited, serious buyers will want weight and edge photos, so provide them upfront.

Not sure whether you have a genuine 1733 pillar dollar or a modern replica? Post clear photos of both sides and the edge in the Pesoteca forum and let collectors weigh in before you sell.

This piece belongs to the reign of Felipe V II of Spain (1724-1746 (second period)). He returned to the throne in 1724 after the premature death of Luis I. His second period closes with the monarch's death in 1746.

The government of New Spain in 1733 was in the hands of Juan de Acuna, Marquis of Casafuerte, the first full year of pillar coinage.

The numismatic type of the piece is pillar (columnario), officially introduced in New Spain in 1732. The reverse shows two crowned globes between the Pillars of Hercules with the motto PLVS VLTRA, and for the first time the coin was struck on a screw press with a laureate edge, which reduced fraudulent clipping of silver and made the pillar real the most trusted trade coin of its time.

The Mexico City Mint formally introduced mechanized striking of pillar reales in 1732, and from then on the crowned Mo mark was accompanied by the assayer's initials. Production was enormous, exported as money of account to the Philippines, China, Protestant Europe, and the 13 English colonies. The assayer's initials declared on the piece are MF, an official of the Royal Treasury charged with certifying the silver fineness (0.930 and later 0.903) under viceregal standard.

The Krause catalog references this piece under KM#103, useful for cross-checking the listing against international auction records.

The year of consolidation of the pillar real, with a laureate edge that hindered fraudulent clipping of silver.