Collograph prints

Two different types of collograph are shown here.The first is an application of colour onto a steel plate.A cut out stencil is placed on the inked surface and then put through a press.The paper
has to be slightly damp so that the ink will lift onto the paper.You can see the indention of the plate pressing into the paper.

https://en.wikipedia.org/wiki/Collagraphy

Collagraphy (sometimes spelled collography) is a printmaking process in which materials are applied to a rigid substrate (such as paperboard or wood). The word is derived from the Greek word koll or kolla, meaning glue, and graph, meaning the activity of drawing.