Hong Kong Treaty Ports Canton 1922 (20 July) long envelope to Brighton bearing "<H>china" 1c. (10) which have been left uncancelled and partitioned off by a blue crayon line, with Canton English/Chinese c.d.s., postage due markings with handstruck "T", circular "<H>centimes/t" with manuscript " 100" , British Inland Section "6d" handstamp and pair of 3d. Postage Due stamps cancelled by Brighton thimble c.d.s. (26.8), the reverse with large Canton bilingual c.d.s. with the date in one line (an early date for this large-type postmark). A very good cover which was posted in the wrong mail box. Photo