Street artist Phlegm’s first indoor exhibition at Shoreditch gallery
Mystery muralist unveils The Bestiary installation at the Howard Griffin Gallery
Richard Howard-Griffin
Former rough sleeper John Dolan’s art sells for thousands of pounds
Exhibition set to take place next week with help from famous street artists including Stik and ROA
Stik’s riot mural removed from public display and sold to celebrity dealer
Work could fetch £50,000 at future auction – but street artist due to create new image on Pogo Cafe garage door