cover 1893 cover (opened out for display, addresse's name excised) showing unframed oval "WENCHOW CUSTOMS/MAIL MATTER" h.s. in red and bearing Hong Kong 5c. cancelled by matching chop in Chinese, with Customs c.d.s. for Wenchow (12.4, red) and Shanghai on reverse as well as Local Post c.d.s. (15.4) for latter in blue. Unusual. Photo