Untitled Drawing , by yves klein , 1959 , abstract , Nouveau Réalisme style , Text, Handwriting, Font
An envelope with a blue square and a gold circle on it.
 a postcard. The postcard is beige in color. On the top right corner of the postcard there is a circle of gold. The circle has holes in it. Below the circle there is black cursive writing. The writing is in a cursive style. There is a blue square on the left side of the card. The numbers on the bottom right corner are black.