(Civil War - Patriotic Covers) HAND-COLORED PROOF CARD FOR THE PATRIOTIC COVER "THE UNION MUST BE PRESERVED" BY F. K. KIMMEL; TOGETHER WITH A COPY OF THE ASSOCIATED COVER. [New York]: F. K. Kimmel 59 Nassau St. N-Y, [between 1861 and 1865]. 4" x 2-9/16". Hand-colored proof card of an eagle, facing to its left, with arrows in its left talons, and an olive branch in its right, and two American flags, with the words "The Union Must Be Preserved" printed in black on white glazed cardstock that is bright and clean with minimal, if any signs of wear; unused patriotic cover, 3-1/4" x 5-7/8", with matching hand-colored design, with minor age-darkening along one edge for what is a beautiful example of the published patriotic cover. A unique and wonderful offering pairing a hand-colored proof card with the matching hand-colored cover by F. K. Kimmel, whose hand-colored designs are highly prized by collectors today. The condition of the proof card is FINE. The condition of the patriotic cover is NEAR FINE. No actual physical copies located on OCLC/WorldCat. RARE # 000957