Muscovite Mica Seen Through Microscope (Rhodesia 1971)

30 August (Rhodesia ) within release Granite '71 Symposium goes into circulation Stamp Muscovite Mica Seen Through Microscope face value 7½ Rhodesian cent

Stamp Muscovite Mica Seen Through Microscope in catalogues
Michel:	Mi:RH 115
Stanley Gibbons:	Sg:RH 466
Stamp Number:	Sn:RH 311

Stamp is square format.

Also in the issue Granite '71 Symposium:

• Stamp - Porphyritic Granite face value 2½;
• Stamp - Muscovite Mica Seen Through Microscope face value 7½;
• Stamp - Granite Seen Through Microscope face value 15;
• Stamp - Geological Map of Rhodesia face value 25;