colophon(n = noun.artifact) - a publisher's emblem printed in a book (usually on the title page);
is a kind of emblem

   An inscription, monogram, or cipher, containing the place and date of publication, printer's name, etc., formerly placed on the last page of a book. [1913 Webster]
"The colophon, or final description, fell into disuse, and . . . the title page had become the principal direct means of identifying the book." [1913 Webster]
"The book was uninjured from title page to colophon." [1913 Webster]

colophon, n.
1 a publisher's device or imprint, esp. on the title-page.
2 a tailpiece in a manuscript or book, often ornamental, giving the writer's or printer's name, the date, etc.

Etymology:
LL f. Gk kolophon summit, finishing touch

N  sequel, suffix, successor, tail, queue, train, wake, trail, rear, retinue, suite, appendix, postscript, epilogue, peroration, codicil, continuation, sequela, appendage, tail piece, heelpiece, tag, more last words, colophon, aftercome, aftergrowth, afterpart, afterpiece, aftercourse, afterthought, aftergame, arriere pensee, second thoughts, outgrowth.