cover 1899 (Jan.) envelope to Redhill, England bearing local post 2c. (2, one inverted centre other with "PC" error) and 5c., in combination with C.I.P. 1c. (4) and 2c. (3) tied by Chefoo Dollar chop (12 Jan.), Hong Kong 10c. purple on red applied over two of the adhesives and cancelled by Shanghai c.d.s. This is one of the most famous and spectacular Wei Hai Wei combination covers known. Listed no. 17 by Goldsmith and Goodwyn. Photo