Much depth of multi-colored thickened shapes which appear to be superimposed upon each other, semi-transparent in their "weave" with each other which is increasingly interrupted by ragged-edged blobs and smears of color.
1920
1966
2019
2015
1987
2006
2013
2007
1970
2005
2014
2004
2008
1953
1991
1999
