International Year of Chemistry 2011
Ditunjukkan sekarang: Korea Utara - Setem-setem bayaran pos - 2011 - International Year of Chemistry - 1 Setem-setem.
Ditunjukkan sekarang: Korea Utara - Setem-setem bayaran pos - 2011 - International Year of Chemistry - 1 Setem-setem.
![[International Year of Chemistry, jenis GQJ]](https://www.stampworld.com/media/catalogue/North-Korea/Postage-stamps/GQJ-s.jpg)
