Photograph of a man working on the nose section of a SAAC-23 mockup, circa 1961.Stamped on verso: "Rohcopie / Hans Entzeroth Fotograf / Zurich Bederstrasse 119."
Concept art (photographic reproduction) of the SAAC-23 aircraft in flight, circa 1961-1963.Sticker on verso: "Photo credit / Private Pilot Magazine / P.O.B. 175 Zurich 42."
Photograph of a scale model of the SAAC-23 aircraft, circa 1963.Inscription on verso: "5/2/63."Stamped on verso: "Aufname: Fotoatelier Peter Trüb / Für Nachbestellungen untenstehende Nummer sowie die gewünschte Grösse angeben / Vergrösserungen [list…