France: Airmail labels 3

Here is another lot of old French airmail labels.

Year: 2.1923, Gummed. Günter Mair's catalogue no: - FRA-A-3a, imperforated, sheets of 
60(4x15)  black/dark red, 3***

Year: 6.1924, Gummed. Günter Mair's catalogue no: - FRA-A-3b, imperforated, sheets of 60(4x15) 
parchment paper, black/dark red, 3***

Year: 1925, Gummed. Günter Mair's catalogue no: - FRA-A-3c, imperforated, sheets of 60(4x15) or
56(4x14), some sheets come with private roulette "EIPA 30", black/red, 2**