Citizen's Volunteer Hospital. Overall lithograph design on cover to Saco Me., design in grayish blue with panel depicting Hospital Building, Soldiers and Civilians with "Duval & Son Ltd." imprint, franked with 1861 3¢ rose (straddle-pane margin) tied by target with duplex "Phila. Pa. May 2, 1863" cds, redirected to Conway Centre N.H. with a second 3¢ rose tied by black grid with red "Saco Me." double-circle datestamp, two tiny tears at top, Extremely Fine, ex-Kantor and illustrated in their book (Fig. 262) and ex-Martin; with 2005 P.F. certificate. Scott No. 65  Estimate $1,500 - 2,000. A Marvelous Example of this Rare Civil War Hospital Design. $0 (Image)