Official Seal - Sea Post, 1895, black. Four seals used to repair circa 1899 cover from Germany to Chicago Ill. bearing Germany 10kr blue, handstamped "T." for tax due, Postage Due 10¢ carmine (J35) pair tied by New York "Due 20" duplex, faults, Fine, One of only two recorded examples of this Sea Post Office seal recorded on cover. Scott No. OXSP1  $3,750. $0 (Image)