2 oz Silver Libertad 1999 Proof: Value & Prices

If you inherited or found a large silver Mexican coin marked "2 onzas" with an angel on one side and dated 1999, you may have one of the more sought-after pieces in the Libertad series. In 2026, a certified 1999 2 oz Proof Silver Libertad typically sells from about 150 USD to over 500 USD in top grades, well above its melt value, because the proof mintage that year was small.

What it is (and why the year matters)

The Libertad is Mexico's flagship silver coin, minted by the Casa de Moneda de México (the Mexican Mint). The design shows the Winged Victory (the Ángel de la Independencia, Mexico's independence monument) on the front, and the national coat of arms on the back, framed by the eagles from Mexico's historic emblems.

A proof coin is struck with polished dies on specially prepared blanks, producing mirror-like fields and frosted, contrasting relief. Proof coins are made in far smaller numbers than the regular "bullion" Libertads sold for their metal content. The 1999 2 oz proof run was short, which is what puts it on collectors' want lists.

Specifications (verify yours against these)

• Metal: .999 fine silver
• Weight: 62 grams
• Diameter: 47.87 mm
• Edge: reeded
• Finish: Proof (mirror fields, frosted devices)
• Denomination: 2 onzas (2 troy ounces)

The 2 oz is one of the larger Libertads. The family also includes 1 oz, 1/2, 1/4, 1/10 and 1/20 oz sizes. If your coin is a 1 oz bullion strike (not proof), it is worth far less, closer to its silver value.

What it's worth in 2026

Coin	Year	Finish	Typical value (USD)
2 oz Silver Libertad	1999	Proof, raw (uncertified)	150 to 300
2 oz Silver Libertad	1999	Proof, PR69 (NGC/PCGS)	300 to 450
2 oz Silver Libertad	1999	Proof, PR70 (top grade)	500 and up

These are collector ranges, not fixed prices. The single biggest factor is condition. A proof coin lives or dies on the mirror field: any hairline, contact mark, fingerprint or cloudy "milk spot" shows instantly and drops the value. That is why certified examples in PR69 or PR70 command the strongest prices. PR70 means no flaws visible under magnification.

Grades come from third-party services like NGC or PCGS, which seal the coin in a labeled holder with its grade. A raw (uncertified) proof carries some risk for a buyer, which is why certified coins sell higher.

The reality check

This is not a million-dollar rarity, and no honest dealer will tell you it is. It is a modern collectible with a real silver floor (about 62 grams, or 2 troy ounces, of pure silver) plus a collector premium driven by the short 1999 proof mintage. The value climbs over time as impeccable examples get harder to find, but it moves in the low hundreds of dollars, not the thousands.

Beware anyone claiming a common 1 oz bullion Libertad is worth a fortune. The 2 oz proof is the piece with the premium here, and only in strong condition.

How to tell if yours is genuine

1. Weigh it. It should read 62 grams on a jewelry scale. Off-weight is a red flag.
2. Measure the diameter. 47.87 mm with calipers. Wrong size means a fake or a different coin.
3. Check the finish. A real proof has deep mirror fields and crisp frosted relief. Flat, dull, or grainy surfaces suggest a cast counterfeit.
4. Distrust deep bargains. Any offer far below the silver value alone is almost always a fraud.

Most "errors" people post online (dents, scratches, corrosion) are post-mint damage, not mint errors, and they lower value rather than raise it. If you think you have a genuine strike error, get it reviewed before assuming it's rare.

Where to sell it

• A verified dealer from the Pesoteca shop directory can appraise it on the spot and pay based on grade and metal.
• The Pesoteca buy-and-sell forum connects you directly with collectors, often at better prices than a quick flip.
• For anything you want identified or authenticated first, post clear photos of the front, back and edge in the Pesoteca forum.

Photograph the front, back and edge in good light before selling. Because this is a precious-metal piece, only deal with buyers who let you verify weight and diameter first. Don't dump it to the first Facebook offer.

Have a 1999 2 oz Libertad and unsure whether it's the proof version or a regular strike? Post a photo of the field and edge in the forum and the community will tell you which one you're holding.

2 troy oz Libertad silver 1999 Proof

This piece is the 2 troy oz silver Libertad, minted by the Mexican Mint in 1999 in its Proof version.

Technical data. It contains 62.2 g of pure silver, .999 fineness, and measures 48 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 piece for serious collecting. Its mintage is far lower than that of the standard ounce, and its large format lets you show off the detail of the engraving. It is usually collected pair-by-pair alongside the 5 oz.

Context of the year. In 1999 Ernesto Zedillo Ponce de León was in office. The Bank of Mexico marked its 75th anniversary. The ounce closed the 20th century at low silver quotes near 5.20 USD per troy ounce.

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. The exact mintage for this combination does not appear in the Bank of Mexico's public tables for 2000-2025. For pieces outside that range, the specific Mint catalog must be consulted.