Signed: Gototei Kunisada ga
五渡亭国貞画
Publisher: Kawachiya Genshichi
(Marks 227 - seal 25-102)
Censor's seal: kiwame
Related links: Waseda University; Waseda University - left panel; Waseda University - right panel;
Ōboshi Rikiya is the son of Ōboshi Yuranosuke. This is the center panel of a triptych. See external links above for the missing panels.
This is a crepe print - John Fiorillo has written an interesting article on how these types of prints were made. (Fiorillo article on making crepe prints.