Boetti, Alighiero. Cieli ad alta quota. Colored, 72-piece puzzle on cardboard. Inscribed and dated on verso. Museum in Progress/Astrian Airlines, 1992, dimensions: 20.8 x 27.4 cm. The puzzle was part of the exhibition "Cieli ad alta quota", organized exclusively by the "Museum in Progress" in the in-flight magazine of Austrian Airlines and made possible by Asea Brown Boveri (text on the reverse). - Upper right corner slightly bumped, edges minimally rubbed.

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