"B172" SINGAPORE on 1 a. brown, eight copies, on front and reverse of cover, endorsed "Via Marseille" and "Per Steamer Armenian, March 23, 1863", to England with faint Singapore dispatch and arrival marks on reverse. Stamps on reverse damaged, otherwise fine. Very unusual cover, endorsed on front "Six annas", franked with 8 annas, the rate via Southampton, and supposed for the route via Marseille with a rate of 10 annas. Certificate BPA (2020)