“First Greenback Note”

A man in Allegan county, Mich., has in his possession the first legal-tender greenback note struck off and issued by the United States. It is dated August 1, 1862, and is marked ‘Series A, No. 1.’ Mr. Slocum, the possessor, was a soldier in the army, and the bill was paid to him by the Paymaster as a part of his wages as a boy in blue.

Bizarre Notes & Queries, August 1886