Link to the Image Source
Metropolitan Museum of Art

Artwork Details 

Title: A Brook
Dated: <Unknown>
Medium: Watercolor and gum arabic on white woven paper
Dimensions: 6 1/4 x 8 3/8 in. (15.9 x 21.3 cm)
Location: Metropolitan Museum of Art
City, State: New York, NY
Notes:
Purchase, Mrs. Louis Marx Gift, 1994