China R30  Protecting Homeland of Human Being (Issue I)

The series "Protecting the Homeland of Human Being" aims at promoting the awareness of environment protecting. The first issue of this series consists two values: 10 fen Protection the Forest and 60 fen Prevension Air Against Pollution. The stamps are among the most high-tech.stamps ever printed by China with employing of three new tech. in anti-fraud method: fluorescent fiber in paper, fluorescent encrypted ink and irregular shape perforation.   Date of Issue February 1, 2002 Denomination and Design 10 fen, Protection the Forest  60 fen, Prevension Air Against Pollution Designer Zhangshen, Yangbo Editer Fangjun Size 25x30mm Perforation 13x13.5 (each one irregular teeth upper and lower sides of 10fen) (each one elliptical teeth upper and lower sides of 60fen) Paper Stamp paper with fluorescent fiber Printing Process gravure, six color Sheet Sheet of 40 Printer Beijing Stamp Printing House