1870 (Apr. 12) Havana, Cuba To Philadelphia, Pa., blue datelined folded letter endorsed "pr Juniala" steamship, entered mails with "Philad'a, Pa Apr 18" cds and bold strike of "Steam Ship 20" circular rate handstamp for double the 10¢ blanket steamship rate, Very Fine, a scarce example of this double-weight steamship marking. Estimate  $100 - 150. $0 (Image)