Messenkope's Union Square Post Office, 1849 (1¢) black on green, clear to large margins, some glaze cracking, tied by manuscript cancel slightly scuffing stamp, on cover to Baltimore, Md. in combination with large margin 1847, 5¢ red brown tied by red square grid cancel, matching "New - York, Feb 20" cds, Very Fine, a rare combination and even more so with the Messenkope's stamp tied as these stamp are normally found not tied to cover. Scott No. 106L1+1  $3,000. $0 (Image)