There is no known copyright pertaining to these images.
The collections or individuals who hold these works might have more information about the rights pertaining to them. They might also make additional specifications or requests about how you use them. We advise that you check with them directly, or look on their website, before making any use of the images on the Watercolour World.
Please always credit the original artist(s) and the collection or individual that owns the image. You can find these details on the painting page.