Apparently they were available in the Post office for a few days before being withdrawn.
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The latest stamps commissioned by the French administration represent folk dances (Y & T Comoros No. 104A / B). They were delivered on the spot before 6 July.
Because of the events, they would not have been sold to the Agency of the Overseas Postage Stamps of Paris, but nevertheless sold on the spot a few days. FDC envelopes of BEPTOM, prepared in advance with these stamps and with PJ stamp of Moroni dated July 21, 1975 are known. They are much rarer than stamps.
http://www.histoire-et-philatelie.f...8-81_03.htmlPart of the stock of these stamps present in Moroni was overloaded "COMORIAN STATE" (Y & T Comoros No. 126/127), and the rest destroyed.