What is a silkscreen?
Silkscreening, which was introduced around 1907, presses ink through a fine screen onto paper. A stencil of an image is placed on a taut screen with paper underneath. Ink is then spread on top and forced through the screen onto the paper with a squeegee. Unlike photo-offset, silkscreening allows the artist to vary the colors and patterns while printing. See an example of a silkscreen.