Pretty Vintage Sanyei Coffee Mugs

Vintage Sanyei coffee mugs. Set of three. Pretty bird image is on both sides of mug. There Are a few manufacturing flaws on the rim - see picture for details. The blue mug does have a small crack - please see picture for reference. Made in Japan. Comes from a smoke free home. There is no Japan stamp or Sanyei sticker but these are Sanyei mugs.