We now have 12 copies of U. S. POSTAL MARKINGS, 1851-1861, 2nd ed, by Thomas Alexander in stock. This is a must have classic for cancels and markings, rates, uses, covers, maps and more. 4000 illustrations and photos. In original shrink wrap, hardback, with dustcover (see #212). Go to the Store for ordering Publications by the USPCS. Limited stock, order now!