According to gold printing group, Japan letterpress printing press printing a book out of the world's smallest. The specification only X0.75 0.75 mm. Reports of letterpress press to declare the guinness book of records "of the world's most".
It is reported, in the name of "four seasons flower" each page is printed with flower of Japan in this micro book and monochrome figure, but can't see with the naked eye.
Press head, said in a published book company will use the anti counterfeit money of the technology. And last declaration "of the world's most" record was published previously in Russia a X0.9 specification for 0.9 mm mini book. (Gold Printing Group)