Stamps & Covers of the World

ESTADOS UNIDOS. Sc.77. 1867 (April 20). Cover endorsed ´per Steamer St. Laurent´ to PARIS franked by 1861-66 Lincoln 15c. black pair tied by dotted ANCHOR lozenge of dots, with octagonal French Paquebot ETATS UNIS/PAQ. FR. N. No.4 struck in red alongside. Flap missing but part Paris arrival cds on reverse. The sole known cover cancelled thus carried at double rate. Certificate ROUMET.