Modern drilling rig (Botswana 1979)

30 March (Botswana ) within release Water Development goes into circulation Stamp Modern drilling rig face value 40 Botswana thebe

Stamp Modern drilling rig in catalogues
Stamp Number:	Sn:BW 229

Stamp is square format.

Also in the issue Water Development:

• Stamp - Boy at sip well face value 3;
• Stamp - Watering pit face value 5;
• Stamp - Hand-dug well and goats face value 10;
• Stamp - Windmill, well face value 25;
• Stamp - Modern drilling rig face value 40;