Discovery of DNA structure (Tanzania 1990)

12 February (Tanzania ) within release Age of Discovery goes into circulation Stamp Discovery of DNA structure face value 250 Tanzanian shilling

Stamp Discovery of DNA structure in catalogues
Michel:	Mi:TZ 631

Stamp is square format.

Also in the issue Age of Discovery:

• Stamp - Ships, bird’s head face value 350;
• Stamp - Voyager 2 face value 350;
• Stamp - Discovery of DNA structure face value 250;
• Stamp - Bell X-1 face value 9;
• Stamp - Bathyscaph Trieste face value 13;
• Stamp - Pinta face value 60;
• Stamp - Santa Maria face value 75;
• Stamp - Transistor and computer chips face value 150;
• Stamp - Map of Columbus’ first voyage face value 200;
• Souvenir Sheet - Voyager 2 face value 350;