Etiquettes or air mail identification labels arose out of the necessity to identify air post items at the sorting stage, prior to dispatch through the postal systems. The purpose and use of etiquettes was collateral to the development of aviation in general and the carriage of mails in particular. It was seen desirable and necessary that mails sent by air be properly identified leading to the development of etiquettes. Interesting book for the collector of airmails. Soft bound with plastic covers. Free shipping anywhere in India.
