Sri Lanka (Ceylon): Booklet of Airmail labels

Here is a new stuff for 2013. This is a very nice and complete booklet of 8 stamps and 8 airmail labels from Ceylon(Sri lanka).

Year: before 7.1952, Gummed. Günter Mair's catalogue no: - SLK-C-1, perforated 11 ¾ , booklets
with sheets of 4(1x4), blue/white, 4****