/: Help identify a picture of the author and
 

Dear experts!
Please help us to determine the pattern and their authors, and whether to send them for examination? Have value or not?

the first picture could theoretically be of value (such as the Netherlands 19th century), and the second - absolutely nothing.

Thank you for your reply!
And the fact that next to the signature of the Dutchman is 527, does it mean? Painting was not on the canvas, and the cypress dereve.Byt can anyone knows the name of the artist? Advice please!