Turkey: D.H.Y airmail label

Here is an airline issue label from D.H.Y. (Devlet Hava Yollari), Turkish State Airlines.

Year: 1951, Gummed. Günter Mair's catalogue no: - TUR-B-1, perforated 11 ½ , booklets with 4 sheets of 6(2x3), red/yellow/black/light blue/violet-blue/white, 3***