Portrait of Quappi in Blue

Findings on the reverse:

On the stretcher top left handwritten in blue: "o.K.", next to it illegible writing, next to it partially torn off yellowed sticker: obviously typical Gustav Knauer sticker, number no longer recognisable, recognisable at the bottom: "Kunst-Abt...", next to it also partially torn off Günther Franke sticker: not legible, next to it handwritten in blue: "X V", next to it white sticker with stamp edge: "Museum of Modern Art / LOAN / ? ?.356 / Franke", on the top right of the stretcher a large white label: "musée national / d'art moderne paris / Beckmann / Quappi en bleu / Coll. Guenther Franke, Munich", below partially torn off sticker with multiple blue frames, inscription not recognisable, below a greenish sticker with jagged edge and printed number: "955", below a long yellowed sticker: "Haus der Kunst München / Name of the artist: Max Beckmann / Title of the work: Quappi in Blau, 1926 / Lender: Günther Franke", below a yellowed sticker: "Frankfurter Kunstverein Steinernes Haus / Ausstellung: Max Beckmann / Leihgeber: Sammlung Günther Franke, München / Kat. -No. 22 Portrait of Quappi in Blue", handwritten on the stretcher at the bottom: "S B 7", handwritten in blue on the stretcher at the top left: “29”, below a long yellowed sticker: "Haus der Kunst München / Ausstellung: Max Beckmann / Titel des Werkes: Bildnis Quappi in Blau / vermutlich geht es noch weiter, auf Foto nicht ersichtlich“, below a partially torn off brownish sticker: "276 / M. Beckmann / Bildnis Quappi in xxxx / [illegible]", below handwritten in blue: "...04", above white sticker with jagged edge and blue border, inside handwritten: “Franke”, below BStGS inventory: "14371"