Variant A[1854]: upper wrapper uniform for the series (see
pcb2395), on greenish blue paper; specific for this title: "[fancy] TOM THUMB."; lower wrapper uniform for the series (see
pcb2395)
Variant B[1855]: upper wrapper uniform for the series, printed in black on pinkish paper; same as variant A, but plain title "[plain] TOM THUMB."; 1855 lower wrapper as
pcb2275, variant D, on pinkish paper; at foot, inside the decorated frame: "LONDON: | GEORGE ROUTLEDGE & CO., FARRINGDON STREET. | NEW YORK: 18, BEEKMAN STREET."; note that Routledge's New York address was in use after May 1854 but the thirteen titles of Routledge's new series of sixpenny juvenile books were published in May 1855 (Publishers' Circular (May 15, 1855): 188)