The 1915-S Lincoln Cent is an early standout in this classic penny series.
The San Francisco Mint struck these bronze coins during the early years of the Lincoln design.
Branch mint pennies from this era are famous among collectors for their lower production numbers.
Most of these pennies entered daily circulation immediately and wore down quickly.
Finding an early San Francisco cent that survived with its original red luster is a tough challenge today.
This specific coin ranks at number 32 out of the top 200 notable pennies in the series.
An exceptional example of the 1915-S RD crossed the auction block through Heritage Auctions (HA).
The coin was certified in a remarkable grade of Mint State 66 Red.
The winning bidder secured this piece with a recorded auction price of 5/05.
A grade of 66 means the coin shows almost no marks or contact spots from handling.
The "RD" designation means the copper retained at least 95 percent of its original bright red color.
High-end sales like this happen when advanced collectors compete for top-tier quality.
A typical circulated penny from this year will not sell for top auction levels.
The main factor driving the value of this coin is condition rarity.
Copper is a reactive metal that tones brown or darkens as it encounters moisture and air.
Few people saved brand new cents in 1915, especially on the West Coast.
Most surviving 1915-S pennies are heavily worn and have turned completely brown.
Coins that kept their full fiery red surfaces are genuinely scarce.
A Mint State 66 grade is near the peak of quality known for this issue.
Because the Lincoln series is widely collected, competition for top-grade pieces stays strong.
You can begin checking your coin by looking at the front below the date.
Look directly under the "1915" date on the right side of Lincoln's portrait.
You need to find a small "S" mint mark to confirm it came from San Francisco.
If there is no letter below the date, the Philadelphia Mint made the coin instead.
A 5x or 10x magnifying glass helps you see the mint mark clearly.
You should also inspect the color of the copper under good lighting.
A true "RD" coin must look bright orange or red without dark brown patches.
If you want a quick first look, you can scan the coin with CoinKnow or Coin Value Checker to verify key details.
Check the high points on Lincoln's cheek and jacket for any signs of friction or wear.
Even tiny traces of circulation wear will drop a coin down from uncirculated mint state grades.
The simplest way to get a ballpark value is to photograph the coin — see a closer look at which coin valuation app actually works.