RARE five piece Japan ceramic figurine Vintage popular Japanese family of toads, five toads, realistic toads

Realistic toads with texture details throughout. Ceramic made with no markings on bottom. No chips are cracks.
Brown, white and tan coloring.

2 larger toads
2 medium toads
1 small toad

Conducting research I have only been able to one or two of these toads in total for sale. popular