France: C.G.A airmail labels 4

Here are some very rare airmail labels from C.G.A airlines.

Year: 1930, Ungummed. Günter Mair's catalogue no: - FRA-B-14, imperforated, hexagonal shape,
size: 167x35mm, intended for use on newspapers, dark violet-blue/red/white, 5*****

Year: 1931, Ungummed. Günter Mair's catalogue no: - FRA-B-15a, imperforated, text in black,
size: 276x45.5mm, intended for use on newspapers, black/dark blue/red/white, 5*****

Year: 1932, Ungummed. Günter Mair's catalogue no: - FRA-B-16, imperforated, octagonal shape,
size: 159x34mm, intended for use on newspapers, dark violet-blue/red/white, 5*****