Early 70s museum giftshop bags

Two MoMA New York paper bags 40.5 x 33 cm. printed black on white, unspecified designer + One used plastic bag produced by the Stedelijk Museum Amsterdam, printed blue on white. Text mentions that the museum is also open at night.

+ Printed transparent plastic bag, Centraal Museum Utrecht + Arte Fiera Bologna Italy. White printed plastic bag with thick plastic handle. Added: California School of Design advertising plastified sheet with objects designed by Sheila de Bretteville, 1970.