File:1 Cent dollar.jpg - Wikimedia Commons

File:USA-1874-Coin-3.jpg - Wikimedia Commons

File:US-$1-TN-1891-Fr-351.jpg - Wikipedia

File:Confederate 5 and 100 Dollars.jpg - Wikimedia Commons

File:Millard Fillmore $1 Presidential Coin obverse sketch.jpg - Wikipedia

File:NNC-US-1873-1$-Seated Liberty (Trade dollar).jpg - Wikipedia

File:1873 Trade Dollar.jpg - Wikipedia

File:NNC-US-1836-1$-Gobrecht dollar reverse (plain edge & name) (cropped). jpg - Wikimedia Commons

File:US-Fractional (4th Issue)-$0.15-Fr.1269.jpg - Wikipedia

File:Eisenhower dollar.jpg - Wikipedia

File:1 Cent (1958) - Rückseite.jpg - Wikimedia Commons

USD km201, Coin Collecting Wiki

File:1904 Lewis and Clark Exposition dollar.jpg - Wikimedia Commons

File:1797 cent rev.jpg - Wikimedia Commons

File:1 cent bill - Hong Kong.JPG - Wikipedia