cover 1879 envelope (opened out for display) to Kiungchow redirected to Peking, bearing Great Britain 3d. pair cancelled by "LURGAN/316" duplex (25.9.79) in combination with Large Dragon 3 ca. cancelled by Tientsin seal, showing on reverse "SINGAPORE/TO HONG KONG" (26.10.79), "HONG KONG" (13.11.79) and "CUSTOMS/TIENTSIN" c.d.s. The earliest recorded Great Britain combination cover and external cover with a Chinese stamp added on arrival in China. Photo in colour