cover -- 1900 (4 Dec.) envelope (opened out for display) from Chefoo to Shanghai (8.12) readdressed to Tientsin (28.12) and then to U.S.A. (11.2.01) bearing C.I.P. 2c. (2) with U.S.A. 2c. (trimmed at right) applied for redirection and cancelled by type 1B duplex (curiously "32" distribution h.s. under stamp). Unusual. Photo