He was widely noticed for his technique of pouring or splashing liquid household paint on to a horizontal surface, enabling him to view and paint his canvases from all angles. Yes, in the back of the painting. The item "Jackson Pollock American Hand Signed Abstract Expressionist De Kooning Rothko Er" is in sale since Thursday, March 21, 2019.This item is in the category "Art\Paintings". The seller is "gg_0515" and is located in Miami, Florida. This item can be shipped worldwide.