cover CHEFOO: 1899 (22 Apr.) small blue "On Her Majesty's Service" envelope to India bearing C.I.P. 10c. tied by a good strike of Wei Hai Wei dated oval with Hong Kong 2c. carmine (5, one defective) tied by fine strike of the Chefoo "I.P.O." tieprint and Shanghai c.d.s., several backstamp including a faint strike of Chefoo Dollar chop. An attractive and rare cover. Goodwyn records only five I.P.O. covers from Wei Hai Wei, this is the earliest. Photo