1888, used in Korea: small dragon 3 Ca. (4) and 1 Ca. (2) tied "H. O. OF CUSTOMS / SEOUL 5 FEB 97" (two more stamps with a face value of 4 cands. have been cut out off the cover) to reverse of registered cover to Riga/Russia, prepaying the full internal and external postage in advance, w. brown transit mark "CUSTOMS SHANGHAI FEB 12 1897", french mail steamer "LIGNE 13 FEVR 97 No. 6" and "RIGA 9 ..
