Johannesburg Numeral 41 Postmark
41o (i) - (16 July 1978) rated Common
41o (ii) - Date reversed (1991) rated Common
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Putzel ratings
41o (i) - 311 rated 2 on stamp and 10 on cover
41o (ii) - 311a (Update) rated 2 on stamp and 10 on cover
41o (ii) - 311b (Update) rated 2 on stamp and 10 on cover
