cover 1c Blue type Ia (6), bottom margin single, three clear to ample margins, very irregular margin at bottom ranging from large to substantially in at bottom left, but showing the full scroll at right, used with 3c Dull Red (11), vertical pair and four singles and 12c Black (17), all with margins to cut in, tied by grids, used on 1857 buff cover to Coburg, Germany, red "N.York Am. Pkt. Paid May 9" exhange h.s. which also ties one 3c, ms. "Via Prussian Closed Mail", carried by the Collins Line packet Ericsson, this cover is a 1c overpayment of the 30c rate to Germany via Prussian Closed Mail, Gotha and Coburg backstamps, fine, with 1981 P.F. certificate, a very rare stamp, especially used to a foreign destination photo