A traditional style Chinese brush painting. The characters on the side are the name and year. You can also see a red artist chop below the characters for the year. This little boy is carrying a book bag similar to this.
It is a postage stamp with an image of Mao Zedong with Lin Biao looking out toward the Tiananmen Plaza from atop the Tiananmen Gate. This is one stamp from a set of two. You can view the other here. Click to like.