SG153 1877 4d Sage green Pl.15 C59 cover

1877 GB Used Abroad. Very fine cover from Port Au Prince, Haiti to St. Thomas D.W.I. prepaid at the 4d 'Interport' rate by a 4d Sage green Pl.15 tied by the 'C59' numeral of the BPO at Jacmel with a Jacmel/Paid cds alongside for JU.25.1877. Carried by RMSP Steamer 'Para' arriving in St. Thomas on the 28th as confirmed by a cds of the BPO St. Thomas on reverse. An attractive inter-island franking. - P223015271