Front of the U.S. $100 (1996) engraving art. Original public domain image from Wikipedia. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/10545768/image-face-paper-personFree Image from public domain licenseA Series 1890 $1,000 Treasury Note depicting George Meade with the signatures of William Starke Rosecrans and James N.… https://www.rawpixel.com/image/8718493/photo-image-vintage-public-domain-moneyFree Image from public domain licenseA $100 Legal Tender Note from the Series 1862-1863 greenback issue. Engraved signatures of Chittenden (Register of the… https://www.rawpixel.com/image/8718463/photo-image-vintage-public-domain-moneyFree Image from public domain licenseUnited States $50 Banknote, U.S. Note or Legal Tender Note, Large type, Series of 1880 (Fr. Ref#164). https://www.rawpixel.com/image/8718098/photo-image-vintage-public-domain-moneyFree Image from public domain licenseA $50 Legal Tender Note from the Series 1862-1863 greenback issue. Engraved signatures of Chittenden (Register of the… https://www.rawpixel.com/image/8718453/photo-image-vintage-public-domain-moneyFree Image from public domain licenseDemand Notes, Series 1861, were issued by the United States in $5, $10, and $20 denominations. The term "Greenback"… https://www.rawpixel.com/image/8718552/photo-image-vintage-public-domain-moneyFree Image from public domain licenseA Series 1890 $1 Treasury Note depicting Edwin Stanton with the signatures of William Starke Rosecrans and James N. Huston.… https://www.rawpixel.com/image/8718491/photo-image-public-domain-money-noteFree Image from public domain licenseUnited States $5 Banknote, Legal Tender, Series of 1928 (Fr. Ref#1525), depicting Abraham Lincoln.Serial #1 of a printing of… https://www.rawpixel.com/image/8718172/photo-image-vintage-public-domain-moneyFree Image from public domain licenseFront of the U.S. $100 Federal Reserve note.Obverse of the series 2003A $100 Federal Reserve NoteThe Series 1996 $100 bill… https://www.rawpixel.com/image/9976765/photo-image-face-person-vintageFree Image from public domain license