France: Air France airmail labels

Here are an airline issue labels from "Air France".

Year: 1933, Gummed. Günter Mair's catalogue no: - FRA-B-49, imperforated, size: 114x28mm, 
Red/Gre-blue/White, 5*****

Year: 1934, Gummed. Günter Mair's catalogue no: - FRA-B-50, imperforated, size: 114x28mm, 
orange/Gre-blue/White, lettering modified, 5*****

Year: 1933, Gummed. Günter Mair's catalogue no: - FRA-B-51, imperforated, size: 113x27mm, 
Red/Gre-blue/White, issued for customers in Germany, 5*****

Year: 1934, Gummed. Günter Mair's catalogue no: - FRA-B-52, imperforated, size: 113x27mm, 
Orange/Gre-blue/White, issued for customers in Germany, 5*****