From 1985 onwards, here's a sequential timeline of each piece along Regents Canal in London by graffiti pioneer King Robbo and street artist Banksy.
ROBBO UPDATE: 01/08/2014
After three years in a coma, suffering a tragic accident, London's graffiti king sadly passed away. Robbo 484 will live on forever in our hearts and minds. To King Robbo, London graffiti pioneer.
Map of locations of the four artworks by Banksy and King Robbo along Regents Canal in Camden, London.
Thanks to Team Robbo and Graffoto.co.uk for assisting with the date estimations.