pastel on paper cut out a passe-partout: 38,5 x 43 cm signed and dated lower right: "Kreibich 18"   Provenance: collection of a prominent Czechoslovak diplomat   Consulted with Professor Jaromir Zemina, Dr Karel Srp, Dr Jiri Machalicky, Aneta Kopecka and Vladimir Lekes.   Confirmation of authenticity attached.