The photos are meant to represent the artwork as close as possible. The unique characteristics have not been edited out. This is a real life artifact of beauty. You can see all of the asymmetries and tiny splatters as well as the extreme precision of the artist's hand. Historically, artwork produced with these materials have lasted 500+ years.
Muirdine is an ice giant, mouthpeice of the oceans of Uranus, a quiet planet. I have always loved the tapestry of stars in golden age illustrations.