Acrylic on canvas, 183 x 162 cm; Verso signed, dated and inscribed
Acrylic on wood, 59 x 31 cm; Verso signed, dated and inscribed: R. Hans, Basel 1969, Entwurf für Turm
Acrylic on canvas, 201 x 84.5 cm; Verso signed, dated and inscribed
Acrylic on canvas, 87.5 x 204cm; Verso signed, dated and inscribed
Acrylic on canvas, 112 x 204cm; Verso signed, dated and titled
Acrylic on canvas, 145 x 200cm, verso signed, dated and titled: "R.Hans 1969, drei Teile: gelb-caputmortuum-gelb"
Acrylic on wood, 30 x 39.5cm; Verso signed, dated and titled
Acryl auf Holz, 49,5 x 60cm; Verso signiert, datiert und betitelt: "R.Hans, 1970, Entwurf für Papagei"
Acrylic on wood, 39.5 x 46cm; Signed, dated and titled on verso: "R.Hans, 1970, Entwurf für Osterhäschen im Blickpunkt"
Acrylic on canvas, 148 x 205 cm; Verso signed, dated and titled. "R.Hans, Basel 1969, blau, hell und dunkel"
Acrylic on canvas, 210 x 60cm; Signed, dated and titled on verso: "R.Hans, Basel 1969, grün-blau"
Acrylic on wood, 45 x 31,5cm; Signed, dated and titled on verso: "R. Hans, 1969, Entwurf für helles rot-rotes braun, 1969"
Acrylic on canvas, 200 x 121cm; Signed, dated and titled on verso: "R.Hans, 1969, dunkles und helles rot"
Acrylic on canvas, 130 x 116cm; Verso signed, dated and titled
Acrylic on canvas, together 149.5 x 244 cm; Verso of the middle part signed, dated and inscribed: R. Hans 72, drei Teile Gelb