1859, 2p Deep Blue, "Sherwin" re-engraved (15, Gibbons 40), four singles, margins to just barely in, tied by oval grid cancels on complete 1859 double folded letter to France, ms. via Suez & Marseilles, R. stamp also tied by red French transit, numerous backstamps incl. G P O Mauritius NO 10, 1859 double circle pmk., light soiling along horizontal cover file fold and a tiny trivial cover bleaching spot at extreme B. edge, otherwise fine, a very rare usage as very few 2p Re-engraved are recorded on cover, the use of four singles together is likely unique, ex Da Silva, Scott retail $12,000.00 (catalogued only as four used singles), Gibbons £32,000 (catalogued as single on cover plus three additional used singles) color photo