1/20 oz Gold Libertad 2013: Value & Prices

If you found a tiny gold coin marked "1/20 ONZA TROY DE ORO PURO" dated 2013, you have a 1/20 ounce Gold Libertad. It contains real gold, so it has a hard floor at melt value, and this particular date is scarce: only 1,035 were minted. That combination gives it a collector premium above the gold price.

What it's actually worth

Start with the metal. The coin holds 1.5552 grams of .999 pure gold (one twentieth of a troy ounce). At any given time its melt value is roughly the gold spot price divided by 20. So if gold trades around 2,600 USD per ounce, the pure metal in this coin is worth about 130 USD. That number moves daily with the market, so check the current gold price before you buy or sell.

On top of melt, this date carries a numismatic premium because of the low mintage. A run of 1,035 pieces is small for a modern coin, and the Onza Libertad gold fractionals have a steady collector base in the US and Mexico. In practice, a genuine 2013 in good condition, ideally still in its original Banco de México (Banxico) blister, sells for a meaningful markup over its gold content rather than at bare melt.

Because it is a bullion-based collectible, condition and packaging drive the premium more than raw age. A coin sealed in its original capsule or graded by NGC or PCGS in a high Mint State grade brings the top end. A loose, handled example trades closer to melt plus a modest bump.

Value ranges by condition

Condition	What it means	Approx. value (USD)
Loose / circulated	Handled, no packaging	Gold melt plus small premium
Uncirculated, no packaging	Clean, no wear	Melt plus modest collector premium
Original Banxico blister	Sealed, as issued	Higher premium for the low-mintage date
NGC/PCGS high MS grade	Certified top condition	Strongest premium, driven by grade and demand

Gold prices change constantly, so treat these as relative tiers. The gap between a loose coin and a certified one widens on scarce dates like this one.

Key specifications

• Denomination: 1/20 troy ounce (fractional Libertad)
• Year: 2013
• Metal: Gold, .999 fine (99.9% pure)
• Weight: 1.5552 grams
• Diameter: 13 millimeters
• Edge: Reeded
• Mint: Casa de Moneda de México (Mexican Mint)
• Mintage: 1,035 pieces
• Finish: Satin
• Reverse: The Winged Victory (Angel of Independence) standing before the volcanoes Popocatépetl and Iztaccíhuatl, with the inscription "1/20 ONZA TROY DE ORO PURO"

The Onza Libertad is Mexico's official bullion coin, similar in role to the American Gold Eagle or the Krugerrand. It comes in several sizes; this 1/20 ounce is the smallest gold fractional, which is why it feels so tiny in hand.

The myth to avoid

Being gold does not automatically make a coin worth thousands. This one is small, and most of its value is the metal itself. Where it earns extra is the 1,035-piece mintage, not its age. Ignore any listing claiming a modern fractional Libertad is worth a fortune "because it's gold and old": a 2013 coin is neither old nor a rarity in the record-setting sense. The honest picture is melt value plus a real, but limited, collector premium.

How to tell if yours is genuine

Gold fakes exist, and small coins are a common target because buyers pay less attention. Check these first:

• Weigh it on a jewelry scale. It must be very close to 1.5552 grams. Underweight is a red flag.
• Measure the diameter with a caliper. It should be 13 millimeters.
• Look at the strike. Genuine pieces have crisp, satin relief. Flat details, blurry lettering, or off color point to a fake.
• Be suspicious of bargains. Any coin offered well below its gold value is almost certainly not real.

For certainty on a piece this valuable, buy or sell with someone who lets you verify weight and dimensions in person, or have it authenticated by NGC or PCGS. Compare your coin against the coin grading guide before you commit.

Where to buy or sell

Because you are dealing with precious metal, work only with people or shops that let you inspect and weigh the coin before money changes hands. The safest routes:

• A verified dealer from the Pesoteca shop directory, who can appraise it on the spot.
• The Pesoteca buy-and-sell forum, where collectors trade directly.

Photograph the obverse, reverse, and edge, note whether you have the original blister, and check the current gold price so you know your floor. Avoid dumping it to the first bidder on social media, where lowball offers are common.

Have a 1/20 oz Gold Libertad and want a second opinion on condition or authenticity? Post clear photos in the Pesoteca forum and let the community weigh in before you sell.

This piece is a Gold Libertad 1/20 oz struck in 2013 in regular finish (bullion satin). The series was born by DOF decree of April 8, 1981, and added the 1/2, 1/4, 1/10, and 1/20 fractions from 1991.

Enrique Peña Nieto (2012-2018). Energy reform in December. Gold spot closed at 1,204 dollars per ounce (-28 percent for the year) and FIX at 13.08 pesos.

Fraction: pure gold 1.555 grams, 0.999 fineness, total weight 1.73 grams, diameter 20 millimeters. The 1/20 is the smallest fraction and the gateway into physical gold. It began to be struck in 1991. Premium over spot 15 to 25 percent, the highest of the family.

Regular (bullion satin): matte-shine fields and satin relief, a single press strike. Wholesale distribution for physical-gold investment, the largest mintage of the year and the natural premium benchmark against spot.

Banxico CM10 (consulted 2026-05-27) records 1,035 pieces against 329 pieces in the Proof version of the same year. That differential explains the price gap between variants.

The regular is bought for its gold content at a low premium over spot. Verify weight, diameter, and reeded edge; compare the premium against Banxico Direct before accepting a middleman's price. — Ramses