-
- State of Wisconsin.
- Pictorial Envelope: 1 envelope; 3 x 5 1/2 in. Liberty, wrapped in American flag, holds Wisconsin state seal. White envelope with colored ink. Image on left. Border and decorative pattern cover sheet. Printed on stone structure: 'LOYAL TO / THE UNION. / STATE OF / WISCONSIN.', About the Creator: William Ridenburgh was a publisher who worked at 140 Nassau Street in New York City during the American Civil War. He is attributed as one of, if not the vendor of this particular variety of Civil War-era pictorial envelopes.