German Cosmos Stamps
On 14th October 99 the German Post Office put on sale a series of five thematic stamps celebrating the Cosmos. The design consultant is the Director of the Observatory and planetarium at Bochum. Designs included a comet crashing into Jupiter, a survey of Mars, an exploding star in Roentgen light, radio waves in a group of stars which to eye appear to form the shape of a swan.
The issued also included the first German hologrammatic design, a successor to the 3D stamp.