posted on May, 23 2011 @ 08:26 PM
Portrait front Leonhard Euler
1707 – 1783Mathematician
Motif back Water turbine, the solar system and a scheme of propagation of rays of light passing through lenses
Prevailing colour reddish brown
Euler was featured on the sixth series of the Swiss 10-franc banknote
Issued 5 November 1979
As has already been mentioned, it is likely to be a comet and Halley's comet was due to return in 1986. Only 7 years after this bank note was first
issued.
I.M.H.O. Not Nibiru.