The Le Klint Pendant 172 is a classic modern design, and it's on sale at Y Lighting for almost $100 off it's normal price. Here's the description from Y Lighting;
These hand-folded sculptural pendant shades were designed by architect Poul Christiansen between 1969 and 1978 and have been in continuous production by the Danish company Le Klint. The material is a color-stabilized white PVC which is completely washable and anti-static. Le Klint pendants are enjoying renewed popularity along with other design icons of the 1960's. All pendants include 5 feet of white cord.