This Offset Lithographs is Hand Signed and Dated by the artist "Richter, 1969" in pencil at the lower right margins.
It is Hand Numbered in pencil “51/80” on the lower right margin.
It was co-published by Galerie Heiner Friedrich and Verlag G. v. Pape, Munich in 1969 in a limited edition of 80 impressions with 20 few artist’s proofs.
It was printed by Hoppe & Werry, Mulheim an der Ruhr.
This impression is illustrated in the Gerhard Richter official website.

Literature:
1. Butin, Hubertus. 2013. Catalogue Raisonne. Gerhard Richter: Editions 1965-2013. Hatje Cantz, Ostfildern-Ruit.
Reference: Butin 26 d (Previously 1971: no. 18, 1993: no. 20)