US Cover w/ 1866 Letters to Capt. McIntyre. Rockport, ME.

US Cover cancelled Rockport, ME, no cancell year, just a date of Mar. 19, but includes 2 letters to Capt. McIntyre dated Feb 8, 1866 and Feb 23, 1866. Cover does show age, toning and staining, torn open on right side (see photos).  Cover measures approx. 5 1/8 x 3 inches.

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