All three images white balance need correcting. They are also noisy. The first has color fringing, and not completely in focus. The edges must be sharp. You need better depth of field.
Photographer and Author
It seems this was scanned from a slide or negative. Unfortunately, this has resulted in artifacts. The quality for printing wouldn't be very good, nor if this was used on a large display.
Going from a negative or slide to scan would result in some image loss.
Notice some of the appearance of the pixels. It's not very smooth.