1870 (Jun. 1) Havana, Cuba To Philadelphia, Pa., blue datelined folded letter endorsed "pr Yazoo" steamship, entered mails with only "Steamship 20" circular rate handstamp for double the 10¢ blanket steamship rate; light toning, F.-V.F., This marking is unlisted in the A.S.C.C. where only a 10¢ value is known. Estimate  $150 - 200. $0 (Image)