SANE and SMITH were a New York City graffiti duo, composed of David Smith ("Sane") and his brother Roger Smith ("Smith"), they were heavliy active during the 1980s.
SANE and SMITH are particularly notable for painting on the top level of New York's Brooklyn Bridge, after which they were sued by the City of New York for $3 million, the biggest lawsuit to date against graffiti writers.
Sadly, SANE passed away in 1990, but SMITH continues to carry the torch for the duo.
Their work has spawned followers that honor their memory by painting the Brooklyn bridge, and giving the cermonial shout out to the two writers who had the spot first.
SACE (IRAK CREW) (Rest in Peace) and YEAR
and LEWY (BTM CREW) who also gave a shout out to the infamous Dash Snow aka SACE the founder of prolific NYC graff crew IRAK