Inscription
on colophon page, lower right in brown pencil: Kupka; by later hand, inside front wrapper in graphite: 9/30; by later hand, upper right front paper in graphite: 58 91 B 2139
on colophon page, lower right in brown pencil: Kupka; by later hand, inside front wrapper in graphite: 9/30; by later hand, upper right front paper in graphite: 58 91 B 2139