This is an ACEO - Art Cards, Editions and Originals.
These collectible miniature artworks measure 2.5 X 3.5 inches,
which is the size of a standard sports trading cards.
"Aurae" 2.5x3.5 inches
One of the Celestial Nymphs (nymph of stars), mainly comprising the Atlantides (daughters of Atlas) In Greek mythology, the Aurae are the winged nymphs of the breezes.
Limited Edition prints are available from my website.