1999 UNICEF 5 Pesos Proof (Children Flying a Kite): Value & Silver Content

If you inherited a 1999 Mexican 5 Pesos coin showing children flying a kite, here is the fast answer: it is a proof coin containing a full troy ounce of .999 pure silver, so its floor value tracks the silver price (roughly USD 30 to 40 in melt at recent spot). A clean, undamaged proof example typically sells in the range of USD 40 to 80, more if certified in top grade. This is not a rare six-figure coin, and any listing claiming otherwise is inflating it.

This piece was struck by the Casa de Moneda de México (the Mexican Mint) as part of the collaboration between Mexico and UNICEF, the United Nations Children's Fund. It was made in proof quality, meaning it was struck with polished dies to produce mirror-like fields and a frosted design, for collectors rather than for spending. The reverse scene of children flying a papalote (a kite) ties the coin to UNICEF's focus on childhood.

What it is worth in 2026

Value here is driven by two things: the silver content and the condition of the proof surfaces.

Because the coin holds one full troy ounce of .999 silver, it can never sell below its melt value. That gives it a hard floor that moves with the spot price of silver. On top of that, the proof finish and the collectible UNICEF theme add a premium, but only if the mirror fields are still clean.

A proof coin lives and dies by its surfaces. An example with bright, unmarked mirrors and a crisp frosted design is worth a solid premium. One with fingerprints, hairline scratches, milk spots, or toning drops back toward melt value. Handling a proof with bare fingers leaves oils that etch permanent marks, which is why condition varies so much between examples that look identical at a glance.

Coin	Year	Metal	Typical value (USD)	Where it sells
5 Pesos UNICEF, children with kite (Proof)	1999	1 oz .999 silver	Melt floor ~30-40; clean proof 40-80	Coin dealers, collector forums, eBay
Same coin, certified high grade (PF69/PF70)	1999	1 oz .999 silver	80-150+	Auction, certified sales

These are collector-market ranges, not fixed prices. The silver floor moves with the market, so check the current spot price of silver before you buy or sell.

Technical specs (keep these to verify yours)

• Metal: silver, .999 fine (pure silver)
• Weight: 31.1 grams (one troy ounce)
• Diameter: 40 mm
• Edge: reeded
• Finish: proof (mirror fields, frosted relief)
• Mint: Casa de Moneda de México

The myth: is it worth thousands?

No. Social media posts that tag any older Mexican silver coin as a hidden fortune are wrong here. This is a modern commemorative bullion-adjacent piece with a healthy but not scarce presence in the collector market. Its value is anchored to its silver ounce plus a modest proof premium. If someone offers you hundreds of dollars for a circulated or scratched example, they are overpaying, and if a seller asks four figures, walk away. The only versions that push past USD 100 are pristine examples certified in the top proof grades (PF69 or PF70) by NGC or PCGS.

How to tell if yours is genuine

Counterfeits of silver coins usually fail on the basics.

1. Weigh it on a jewelry scale. It should read close to 31.1 grams. A light coin is a red flag.
2. Measure the diameter with calipers. It should be 40 mm.
3. Look at the relief and the mirror fields. Fakes often show flat, mushy detail and dull fields instead of the sharp frost-over-mirror contrast a real proof has.
4. Be suspicious of any deal priced well below the value of the silver itself. Nobody sells a real one-ounce silver coin under melt.

If the weight and diameter match and the surfaces look sharp, you almost certainly have the genuine article. For a formal verdict, third-party grading by NGC or PCGS both authenticates and grades the coin, which matters most for the high-grade proof premium.

Where to sell it

Because this coin carries real silver, only deal with buyers who will show you the piece and let you verify weight before money changes hands.

• A verified coin dealer will appraise and buy it on the spot. Use the Pesoteca shop directory to find one.
• The Pesoteca buy-and-sell forum connects you directly with collectors, which often means a better price than a dealer buyback.
• Photograph the obverse, reverse, and edge in good light before listing, and note any spots or marks honestly.

Avoid dumping it to the first offer on a general marketplace. A proof in clean condition is worth more to a UNICEF-theme collector or a modern Mexican silver collector than to a casual buyer.

Got the 1999 UNICEF kite coin sitting in a drawer and not sure of its grade? Post clear photos of both sides in the Pesoteca forum and let collectors weigh in on condition and value.