Lot 306 366 auction march 2018 - 306

ETATS-UNIS: Entire letter franked with Lauré 10 c. and 20 c. (both defective), tied  by star cancel with adjacent "PARIS PL. DE LA BOURSE 26 SEPT. 70" to London with arrival marks on front and reverse; supposed to be the earliest recorded 'ballon monté' item to abroad, sign. Roumet