1978 Soviet Vintage Biology School Chart "BIOCENOSIS of a Freshwater Source" Paper On Linen, USSR Mid Century Ecosystem Poster

Original mid-century biology school chart “BIOCENOSIS OF A FRESHWATER SOURCE” printed in Leningrad, USSR, in 1978. Teaching aid from the collection of a retired Ukrainian teacher.
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SIZE:
68 x 103cm

CONDITION:
Good clean vintage, with some surface wear and natural patina from classroom use. Paper on linen. Please enlarge photos for details. Labelled at the back with a ballpoint pen by the teacher.

Ships rolled up, unframed.
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