4 pieces of coordinating framed art

Beautifully matching pieces; all are from American Flats. They look good as a 2 x 2 grid, as a horizontal array, or a vertical array, and are just as suitable as office decoration (good video-call background) as they are for a nursery. Each frame: 12.5 x 15.5 Mounting hardware already attached to the frames. Only interested in selling as a set; price is $50 cash for all 4, firm.