koban;  small oval gold coin used in the Edo period;  oval;  elliptical;  small size (of paper)
 trial;  judgement;  judgment
 medium-sized paper (approx. 15x21 cm, used for notebooks);  medium-sized photo print (approx. 10x13 cm)
 fame;  reputation;  popularity;  rumour (rumor);  talk
 large size (paper, book, etc.);  ōban;  large oval gold coin used in the Edo period
 making a joint signature or seal
 seal of blood;  sealing with one's blood
 large seal;  large stamp;  seal of approval;  guarantee;  endorsement
 joint seal;  joint signatures
 shirokuban (paper size of 127x188mm);  duodecimo
 ready-made seal;  cheap seal
 bad reputation;  disgrace;  unpopularity
 A5;  medium octavo;  small octavo
 approving a document without adequately reading it;  rubber-stamping
 paperback pocket edition (approx. 17x11 cm)
 ichibuban;  Edo-period rectangular coin (usu. gold) worth a quarter ryō
 tabloid format (newspaper, etc.)
 minoban (paper size; 273x394mm)
 pocket paperback size (approx. A6)
 octavo (book format);  8vo
 medium size;  cabinet size (in photography)
 seal over the edges of adjacent sheets
 8.3 x 5.4 cm photograph (size)