About #60 - 10 francs type 1983 not issued
Switzerland. Swiss National Bank (Schweizerische Nationalbank). Seventh issue (1983-1985). Banknote created in 1983 but not issued and kept in reserve. Work of Roger and Elisabeth Pfund. Printer: Art Institute Orell Füssli AG, Zurich. Dimensions: 137 x 66 mm. Unknown watermark. Unknown security thread. Front and back: Multicolored print predominantly brown and red. Front: graphic background consisting of a landscape of cities and stylized fields with a view of the Königsberg bridge. Above, a geometric figure of development of the polyhedron. On the right, profile portrait of the mathematician, physicist, astronomer and engineer "Leonhard Euler (1707-1783)". The SNB's translation texts are printed in brown on the front and in three languages: German, Romansh and Italian. The numerical value "10" is printed in dark blue and very large in the vignette and repeated four times in small in dark pink and dark blue. On the outside of the sticker, the embossed brown dot is intended to facilitate the recognition of the note by the blind. The signatures are printed in red. Two types of signatures with The President of the Board of the Bank, Edmund Wyss and the Director, Pierre Languetin. On the back: multicolored graphic background with representations of the "gamma" function, a table for calculating numbers and a diagram of the solar system. The value in numbers "10" is repeated four times in small in brown and blue. In the thumbnail at the top and bottom, the SNB texts are printed in red in two languages: French and Italian. No specimens or proof notes known to date. Copy known: 83D0679869. Other Reference: TBB (The Banknote Book): B343a.