1848-59 Post Paid 2d blue on greyish, early impression, position 10 on the plate, very fine with large margins and used on folded letter « Port Louis 10th August » to Calcutta (Dutt correspondence) by the vessel « William Money », with crowned MAURITIUS GPO despatch of AU 10 1849, on reverse boxed Calcutta Ship Letter (apportioned rate « Inland Bearing 1anna/ Ship do 2annas/Total 3annas »), stamp lightly tied by barred circular grid in black, a rare cover Note: The « William Money » was an Emigrant Ship plying between England and Australia, via the Indian Ocean.