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Leo Burnett, Hong Kong send people by mail
To show availability of air tickets on system discount, Leo Burnett, Hong Kong compares their cost to post transfer.

The live parcel post

Chinese airline Evergreen Travel offers tickets for reduced prices. Advertisement makers Chinese Leo Burnett have compared the price for these tickets to cost of post transfer and have informed on it in the form of a slogan: "It is cheap how to send itself by mail!"

Bared letter

The erotic parcel post

Unique question — why all people sending by mail, should be naked? They not naked — they paper, canvas and wooden (as letters and parcels).