Brian Sergio ( born in Philippines ) is a famous photographer, painter and graphic designer The book " Flash " was published in 2021 , limited to 150 copies, on the colophon all is written : " First edition limited to 150 copies , 2021, with a duplicator using riso technologies on coated paper with monochromatic cold inkjet and great care ". Sergio defends an ecologic approach in all his works ; this print method enhances the contrast and gives the black color deep You will note that the copy has been opened only one time, but it's an artisanal work, so you have some smalls deffects on the paper , also slights black traces on some places ( cos the print method) , also small folds on the middle page on the edge ( photos) Stayed excellent , begins to be difficult to find