Goldbackh conjecture (China, People's Republic 1999)

01 November (China, People's Republic ) within release Scientific and technological achievements goes into circulation Stamp Goldbackh conjecture face value 80 Chinese renminbi fēn

Stamp Goldbackh conjecture in catalogues
Michel:	Mi:CN 3091
Stamp Number:	Sn:CN 2982

Stamp is square format.

Also in the issue Scientific and technological achievements:

• Stamp - Camrian era fossil face value 80;
• Stamp - Underwater robot face value 80;
• Stamp - Goldbackh conjecture face value 80;
• Stamp - 2,16 Mm Telescope face value 80;