Madagascar: Airmail labels 2

Here is another great old label from Madagascar.

Year: 1933, Ungummed. Günter Mair's catalogue no: - MDG-A-3a, perforated 11, sheets of 20(2x10) 
or 10(2x5), ref.: "P.T.T. MADAGASCAR   E.  N°  131", black/blue-grey, 4****