UK: Imperial airways airmail labels

Here are nice and colorfoul airmail labels from Imperial Airways. These were used as airmail propaganda labels.

Year: approx.1935, Gummed. Günter Mair's catalogue no: - GBR-B-8, imperforated, blocks, 
black/light yellow/blue/white, 5*****

  












Year: approx.1935, Gummed. Günter Mair's catalogue no: - GBR-B-9, imperforated, blocks,
red/dark blue/light blue-grey/white, 5*****

Year: approx.1935, Gummed. Günter Mair's catalogue no: - GBR-B-10, imperforated, blocks, 
orange/violet-blue/blue/white, 5***** 

Year: approx.1935, Gummed. Günter Mair's catalogue no: - GBR-B-11, perforated HU 11, blocks, 
stapled HU, ref.: "L-E", orange-red/violet-blue/white, 5*****

Year: approx.1935, Gummed. Günter Mair's catalogue no: - GBR-B-11, perforated HU 11, blocks, 
stapled HU, ref.: "L-E", design of letter in bird's beak modified, black/grey-blue/light blue-grey/grey/white,
5*****