Israel - 334
334
Israel 1993
Illustration of Scientific Principles
Lift
80a multicolored
April 18, 1993
Waves
80a multicolored
April 18, 1993
Color Mixing
80a multicolored
April 18, 1993
The Eye's Memory
80a multicolored
April 18, 1993
Miniature Sheet
6.40a multicolored
April 18, 1993