International Year of Chemistry 2012
Rāda: Bulgārija - Pastmarkas - 2012 - International Year of Chemistry - 1 marka.
2012
International Year of Chemistry
28. novembris SV: Neviens Lapas izmērs: 50 Dizains: Martin Rusev Perforēšana: 13
![[International Year of Chemistry, veids GTV]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/GTV-s.jpg)
