1/20 oz Silver Libertad 2016: Value & Prices

If you have a tiny silver coin marked "1/20 Onza Plata Pura" dated 2016, here's the honest answer: it holds only about a gram and a half of silver, so its metal value is small. But the fractional Libertad is a different story from the big one-ounce coins. With a mintage of just 22,900 pieces in 2026, this little coin trades for a real premium among collectors, usually well above what the silver alone is worth.

What you actually have

The Onza Libertad is Mexico's flagship modern bullion and collector series, struck by Banco de México (the Mexican central bank) at the Mexico City Mint. "Onza" means ounce in Spanish, and "Libertad" (liberty) is the name of the series. Your coin is the smallest fraction in the set: 1/20 of a troy ounce.

Here are the exact specs, which matter for both authentication and value:

Spec	Detail
Denomination	1/20 troy ounce
Metal	.999 fine silver (pure)
Weight	1.5552 grams
Diameter	16 mm
Edge	Reeded
Finish	Bullion (satin)
Mint mark	Mo (Mexico City)
Year	2016
Official mintage	22,900 pieces

The front (obverse) shows the Mexican coat of arms, an eagle on a cactus devouring a serpent, with the legend "ESTADOS UNIDOS MEXICANOS" (United Mexican States). The back (reverse) shows the Winged Victory from Mexico City's Angel of Independence monument, standing in front of the Popocatépetl and Iztaccíhuatl volcanoes, with the "Mo" mint mark and the year.

What it's worth

Start with the floor. At 1.5552 grams of pure silver, the melt value of this coin is only a fraction of the current spot price of an ounce of silver, roughly a few dollars. No bullion coin ever trades below its metal value for long, so that's your baseline.

The collector premium is where this coin gets interesting. Fractional Libertads have far lower mintages than the one-ounce version, and the 1/20 oz is the hardest of the small denominations for collectors to complete in a set. A mintage of 22,900 is genuinely low by modern bullion standards. In practice, a clean 2016 1/20 oz Libertad in bullion (satin) finish usually sells for several times its silver value, and certified high-grade examples (NGC or PCGS graded MS-69 or MS-70) command the strongest premiums.

Grade drives the number. A raw, handled coin with scratches sits near the low end. A sealed, gem-grade certified piece sits at the top. Because the whole series is popular with US collectors, demand is steady, which supports these premiums better than you'd expect for such a small coin.

The myth to ignore

A modern coin from 2016 is not a rare antique, and no honest source will tell you it's worth hundreds of dollars just because it's silver. What gives this piece its value is the low mintage and collector demand for a complete fractional set, not age. Treat any listing promising a fortune for a common modern coin with skepticism.

How to check what yours is worth

1. Weigh and measure it. Use a jewelry scale and a caliper. It should weigh 1.5552 grams and measure 16 mm. Wrong weight or diameter is the fastest sign of a fake.
2. Check the grade. Look at the fields under good light. Scratches, spots, and handling marks pull the value down. Untouched, mirror-clean surfaces push it up.
3. Consider certification. For a coin this small, professional grading from NGC or PCGS can more than pay for itself on high-grade examples, and it settles authenticity questions for a buyer.
4. Compare recent sales. Check completed listings for the same year, denomination, and grade before you buy or sell.

Where to sell it

Because it's a precious-metal coin, sell only where the piece and its weight can be verified in person or with clear photos. A verified numismatic dealer from the Pesoteca directory will appraise it on the spot with no middleman markup. The Pesoteca buy-and-sell forum connects you directly with collectors who actually want the fractional Libertad, which is where these small coins tend to bring their best price. Photograph the obverse, reverse, and edge, and know the grade before you list.

Have a full set of fractional Libertads, or just this one coin and questions about the grade? Post your photos in the Pesoteca forum and let collectors who track this series weigh in.

1/20 troy oz Libertad silver 2016 Regular BU

This piece is the 1/20 troy oz silver Libertad, minted by the Mexican Mint in 2016 in its Regular BU version.

Technical data. It contains 1.55 g of pure silver, .999 fineness, and measures 16 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 the smallest fraction of the set. It serves as an entry piece, a gift, or a first contact with the series: it costs little per example but carries the highest premium in the family over the value of the silver it contains, because the die cost is spread over fewer grams.

Context of the year. In 2016 Enrique Peña Nieto was in office. The 25th anniversary of the fractional set was commemorated (1991-2016). Silver closed at 15.99 USD per troy ounce.

Regular BU finish. The Regular finish, catalogued by Banxico as satin or BU, is produced with dies that have no special polishing. The result is an even matte luster across the whole surface, with no mirror contrast between fields and reliefs. It's the traditional bullion finish: bought for its weight in pure silver plus a modest die premium. It's the version collectors look for to build the complete set by year without decapitalizing themselves on each piece.

Mintage. Banxico reported in its official tables a mintage of 16,445 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.