Storing of an idea for an artwork for 10 years in the safety box 445 of the branch of the SchmidtBank, Nuremberg (Germany) in order to give the idea time to develop
and
selling Options on that not yet realized artwork at a fixed prize.
The Option ended in 2007, when the idea was taken off the safety box.
The prize for an Option was 100,- DM (German Marks), the fixed prize for the final artwork was 1.000,- DM, or 511.29 €.
The chances for the buyers were either to win with the inflation rate or with the fame of the artist.

(announcement for the Option in a newspaper)