For some months, in Stourbridge (England) homeowners were surprised with an empty extra bottle when they went to pick up the milk at their doorstep.This misterious bottles started appearing in the spring. They were empty, yes, but etched with pictures of animals -often cows or mice-, carefully carved into the glass in astonishing detail.
Charlotte Hughes-Martin the "Milk Bottle Banksy".
Revealed at Daily Mail
