Frog is an original etching artwork, realized by Marcel Guillard (1896 -?). The state of preservation is very good. The artwork represents a lying down frog on the front and mountains with sharp peaks and a full moon on the background through black and white color, it is characterized by precise and soft strokes in a well-balanced composition, The artist masterly created a pleasurable dreamlike scenery. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution