Tanzania


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"BY AIR MAIL", in serif typeface, 17mm.
 Size: 18mm x 38mm, perforated, gummed.
Günter Mair catalogue: TAN-B-3 
(1980)




Printed on thicker paper
 Size: 19mm x 37mm, rouletted, gummed.
Günter Mair catalogue: TAN-B-4
(1978)





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