Gabon: Transgabon airmail labels full sheets

Here are more rare airmail labels issued by Transgabon airlines (Transports aérien du Gabon).
Mail with this label was carried by Transgabon from remote places without post offices to the capital Libreville and then posted by the company.

These are 3 complete sheets not mentioned in catalog yet!!!

Year: 1965, Ungummed. Günter Mair's catalogue no: - GAB-B-2a?, perforated 11 ½ , sheets of 4(2x2), black/light-yellow, 5*****

Year: 1965, Gummed. Günter Mair's catalogue no: - GAB-B-2b?, perforated 11 ½ , sheets of 4(2x2), black/light grey-green, 5*****

















Year: 1965, Gummed. Günter Mair's catalogue no: - GAB-B-2c?, perforated 11 ½ , sheets of 4(2x2), black/light bluish-green, 5*****