Grogs Black Magic Ink is a special invisible ink that is totally invisible when applied but in turns into a deep dark color in reaction with daylight/UV-light

Released: December 2015

For those who learn to read tags

Incognito Magazine is a graffiti mag that got established in 2003

This only train and metro book is only available in 500 copies and it comes with exclusive

street and more 16 Goog Grogs Black Magic Ink isIn this issue interviews with Taps & Moses, Danleo, Esther Aarts, Said Kinos, BOB59 aka 4Letters, Dino Voodoo and Telmo Miel. Meet Messy Desk from Hong Kong and Royyaldog from Seoul and enjoy the selection of work from all over the world! 170x240mm portrait, 80 pages, Softcover, English language, Released: 2017