Mexico: LAMSA airmail labels

Here are some of airmail labels from LAMSA (Lineas Aereas Mexicanas S.A.)

Year: 1946, Gummed. Günter Mair's catalogue no: - MEX-B-20, rouletted, booklets with 10 sheets

of 6(2x3), orange-red/green/white, 4****

Year: 1948, Gummed. Günter Mair's catalogue no: - MEX-B-22, rouletted, sheets, black/dark green/

bright red/light blue/white, 4****