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Lincoln cent, Union Shield reverse
The shield reverse, first issued in 2010.
What our records show
- For 2010–2025, the years this site covers for this design, our table has production figures for 2 of 16 years; 14 years are not published in the sources we checked (2012–2025).
- Facilities in the record, with the mark their coins carried: Philadelphia: no mint mark (2010–2011); Denver: D (2010–2011).
- What the figures count: circulating production each calendar year, without proof or uncirculated-set coins (archived Mint production pages).
“The “Union Shield” theme is the current design of the U.S. one-cent coin. The U.S. Mint first issued this design in 2010.”
Metal, weight and size, where a Mint table dates it
| Coin years | Specification and source |
|---|---|
| 2010–2025 | No specification dated to these years in the sources we checked. |
Each row covers only the coin years its source establishes. Proof and collector versions can differ and aren't covered.
Current Mint specification (undated; applicability to earlier years not established)
Metal: copper-plated zinc (2.5% copper, balance zinc) · Weight: 2.5 g · Diameter: 19.05 mm
Source: U.S. Mint, Coin Specifications page (archived October 9, 2024; the page says its content was last updated April 28, 2022). The page doesn't say which years' coins it describes.
How many were made
| Year | Philadelphia no mint mark | Denver D | What the figure counts, and notes | Source (see list below) |
|---|---|---|---|---|
| 2010 | 1,963.63 million | 2,047.20 million | circulating production that calendar year | 1 |
| 2011 | 2,402.40 million | 2,536.14 million | circulating production that calendar year | 2 |
| 2012–2025 | Not published in the sources we checked. The Mint's current production-figures page shows a browser challenge to automated requests, and the archived copies we found don't include these years. | |||
- Mint production page, 2010 (archived), January 2010 through December 2010
- Mint production page, 2011 (archived), January 2011 through December 2011
Where the mint mark is
The Mint pages we used give no location for the cent's mint mark. The Mint's mint-mark page says only: “The mark can be on the obverse or reverse side, depending on how it fits into the design.” (U.S. Mint)
Sources
- Coin Production Figures (U.S. Mint, 1999-2012 site). United States Mint (archived copy).
- Penny (U.S. Mint, Circulating Coins). United States Mint (archived copy).
- Coin Specifications (U.S. Mint). United States Mint (archived copy).
Figures and quotes checked against their sources on October 12, 2026.