The San Francisco Mint struck this special Lincoln cent in the year 2000.
It was made exclusively for collectors as part of that year's official proof sets.
Instead of the standard business strike finish, this piece features a deep cameo proof finish.
The year 2000 marked the turn of the millennium, which gave this release extra attention from collectors.
While millions of proof sets left the mint, finding one without a single flaw is a rare feat.
It ranks at number 93 on the list of the 200 most valuable pennies.
A top-grade example of this coin brought $2,645 at Heritage Auctions.
The winning bid crossed the block in January 2004.
Professional coin graders certified the coin as PR-70 Deep Cameo.
A PR-70 grade represents complete perfection in numismatic terms.
To qualify for this grade, a coin must show zero post-strike flaws, scratches, or spots under 5x magnification.
The Deep Cameo label means there is an intense contrast between the frosted design and the mirrored field.
Certified perfection commands a massive premium over coins that miss the mark by just a single point.
Modern proof coins are made using polished dies and specially prepared planchets.
Even with careful handling at the mint, tiny imperfections often slip through on proof strikes.
Microscopic contact marks, haze, or minor strike weaknesses keep most examples in PR-68 or PR-69 holders.
This creates a classic condition rarity where the date is common, but top grades are extremely scarce.
A perfect PR-70 DCAM specimen stands as the absolute pinnacle of modern proof production.
Millennium-dated issues also enjoy strong popularity across many collector categories.
Set registry competitors frequently drive bidding wars to own the finest known examples for their collections.
Start by checking the date on the right side of Abraham Lincoln's portrait.
Look directly below the year 2000 for a small "S" mint mark.
The "S" indicates that the coin was struck at the San Francisco Mint.
Make sure the fields are deeply mirrored and reflective like glass.
The portrait of Lincoln and the Memorial building on the back should look heavy and frosted.
Examine the coin under 5x magnification to search for any tiny copper spots or hairline marks.
Do not confuse this proof issue with a regular zinc cent pulled from pocket change.
Circulated coins from Philadelphia have no mint mark, while Denver coins have a "D".
If you want a quick check on your proof sets, you can use Coin Value Checker to get started.
Keep in mind that typical raw coins or lower-grade proofs sell for modest sums.
Only an officially graded PR-70 Deep Cameo piece can reach four-figure prices in the market.
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