Chapel Hill, Orange County, February 2, (1857), all over advertising cover in pink. Postage Paid with 1851 issue 3- cent stamp tied to cover with a grid cancel and a Type 4 31 mm cancel in black. The postmark was used in black from 1851 until 1864. The UNC-Chapel Hill ad covers came in two sizes, this being the smaller of the two and in several colors, including purple, gray, green, and pink.
