Features 4 identical unicorns with a blue mane wrapping around its exterior surface.
Also has blue trim wrapping around its lower surface.
Though no markings are present on this mug, due to its style I strongly suspect it was manufactured by Otagiri.
Copy 1: This mug has no coips, cracks, scratches or crazing. There is a light brown stain on its front surface. Pleases see the red arrow pointing to this in the 1st photo. There is a faint line that runs vertically on the exterior side opposite the handle. Please see the red arrow pointing to this in the 2nd photo.
Copy 2: This mug has no chips, cracks, scratches, stains or crazing