1/10 oz Silver Libertad 2008 Proof: Value & Prices

If you inherited or found a 1/10 oz Silver Libertad from 2008 with the mirror-like proof finish, here is the honest answer: this is a low-mintage collector coin, not a common bullion round. Only 5,000 were struck. In 2026, that scarcity gives it real premium over its silver content, though it is not a five-figure rarity. Expect value driven by condition, the original Banco de México packaging, and the silver market.

What this coin actually is

The Onza Libertad ("Liberty Ounce") is Mexico's flagship modern bullion and collector series, struck at the Casa de Moneda de México, the oldest mint in the Americas. The 1/10 oz is the small fractional version, roughly the diameter of a US dime but slightly heavier.

The "Proof" designation matters. Proof coins are struck with polished dies on specially prepared blanks, producing mirror-like fields and frosted, satin devices. They are made for collectors, sold in official cases, and minted in far smaller numbers than the regular "business strike" versions. That is why this 2008 proof is worth more than a plain 1/10 oz Libertad of the same year.

Specifications

Spec	Detail
Denomination	1/10 Onza (fractional)
Year	2008
Weight	3.11 grams
Diameter	19.97 mm
Metal	Silver .999 fine
Edge	Reeded
Finish	Proof (mirror fields, frosted relief)
Mintage	5,000 pieces
Series	Onza Libertad

What it's worth

Two things set the price: the silver inside it and the collector premium from the tiny 5,000-piece mintage.

The silver floor is small. At 3.11 grams of .999 fine silver, this coin contains about one-tenth of a troy ounce, so the raw melt value is only a few dollars, tracking the current silver spot price. No 1/10 oz Libertad will ever be worth less than its metal.

The real value comes from the proof format and low mintage. Collectors of the fractional Libertad set will pay a solid premium over melt for a clean 2008 proof, especially with the original Banco de México case and certificate. In practice, that means a range from roughly 20 to 60 US dollars depending on condition and completeness, with high-grade certified examples (NGC or PCGS PF69/PF70) reaching more when the fractional set is in demand.

This is a collector coin, not a jackpot. If a listing claims one of these is worth thousands, treat it as marketing. The verifiable market puts an ordinary 2008 1/10 oz proof in the tens of dollars, not the thousands.

What raises or lowers the price

• Original packaging. The sealed Banco de México capsule and certificate of authenticity add real premium. Loose coins sell for less.
• Condition. Proof coins show every fingerprint, hairline, and spot. A flawless mirror surface is worth far more than a coin with milk spots or handling marks.
• Certification. A coin slabbed by NGC or PCGS at PF69 or PF70 commands the top of the range and sells faster.
• Silver spot. The floor moves with the market. When silver rises, so does the base value.

How to tell if yours is genuine

Check the numbers first. Weigh it on a jewelry scale: it should read 3.11 grams. Measure the diameter with calipers: 19.97 mm. Counterfeits often miss on weight or diameter, show flat, mushy relief, or lack the sharp mirror-and-frost contrast of a true proof.

Be suspicious of any coin offered well below its silver value, and of "proofs" with dull, uniform surfaces. Genuine proof Libertads have deep, reflective fields against crisp frosted designs. If you want certainty, submit it to NGC or PCGS, or take it to a verified numismatic dealer.

Where to sell it

For the best price, use a verified numismatic shop from the Pesoteca directory, which can appraise and pay on the spot, or the Pesoteca buy-and-sell forum where fractional Libertad collectors trade directly. Photograph the obverse, reverse, and edge, and note whether you still have the original case. Because this is a precious-metal coin, only sell to someone who inspects and weighs the piece in front of you. Avoid dumping it to the first Facebook buyer at a lowball offer.

Before you sell, compare your grade against the Mexican coin grading guide so you know which end of the range your coin belongs in.

Have a 2008 1/10 oz Libertad and not sure if it's the proof or the regular strike? Post clear photos in the Pesoteca forum and the community will help you pin down the version and its value.

1/10 troy oz Libertad silver 2008 Proof

This piece is the 1/10 troy oz silver Libertad, minted by the Mexican Mint in 2008 in its Proof version.

Technical data. It contains 3.11 g of pure silver, .999 fineness, and measures 20 mm in diameter. The reverse bears the effigy of the Angel of Independence, adopted by Banxico as the official symbol of the series since 1981. The obverse shows the National Coat of Arms in its pre-1969 version, alongside other historical coats of arms as an identity mark of the family.

Role within the set. It's a small fraction but one that already has presence in the hand. It's used as a gift piece and as a gateway into serious collecting. The premium over spot remains higher than that of the full ounce, because the cost of the die is spread over so few grams.

Context of the year. In 2008 Felipe Calderón Hinojosa was in office. The global financial crisis broke out. Silver fell from 21 USD to 9 USD per troy ounce between March and November, and then rebounded strongly.

Proof finish. The Proof finish, also known as mirror, is achieved by polishing the dies to a specular shine in the fields, while the reliefs are frosted by micro-sandblasting. The piece comes off the press ready for display: it's not touched in the open air or handled without gloves. Banxico delivers it in a sealed plastic capsule with an individually numbered certificate of authenticity. The Proof mintage is always far lower than the regular finish of the same year, and its price on the secondary market usually runs between 40% and 80% above the equivalent BU version.

Mintage. Banxico reported in its official tables a mintage of 3,444 pieces for this combination of fraction, year and finish. That number is the basis for measuring the relative scarcity of the piece within the program.