1854 (c., Dec. 4) Detroit Mich. to Berlin, Germany, buff cover with red "Detroit Mich. Dec 4" cds and matching "Paid" straightline and bold "60" framed rating handstamp, endorsed "Prussian Closed Mail", double-struck red "N. York 'Paid 14' Am. Pkt. Dec 9" credit exchange cds, carried by Collins Line Baltic from New York Dec. 9th to Liverpool arriving Dec. 21st, red Aachen (12.22) transit backstamp with matching "Franco" straightline, Berlin (12.23) arrival backstamp; flap torn and opened on three-sides, F.-V.F. and attractive use at double the 30¢ Prussian Closed Mail rate. Estimate  $150 - 200. $0 (Image)