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Special stamps to mark World Book Day

China Post is to release a special set of stamps to celebrate World Book Day on Saturday. The stamp, with a face value of 1.2 yuan (19 cents), is made with special technology and printed in four-character Braille with symbols meaning "nationwide reading". It is the second set of touchable Braille stamps in China. The stamp is printed with fluorescent ink, so it can be seen in the dark under ultraviolet light. The large version of the stamp has a QR code for the National Digital Library of China. You can enjoy the convenience of digital reading by scanning the code.