Date of Issue : 19 November 2012
These are the my favourite stamps issued by various contries of the world. I would like to receive these stamps from collectors and would send mint stamps and covers from India and other countries in exchange.
Date of issue : 2 January 2012
Fraunhofer Lines : The Rainbow Lines
This stamp has been issued by Geraman Post to commemorate 225th anniversary of German physicist Joseph von Fraunhofer (1787–1826) . In physics (optics) , the Fraunhofer lines are a set of spectral lines named after Joseph von Fraunhofer The lines were originally observed as dark features (absorption lines) in the optical spectrum of the Sun.