Mini Eto Series of Otera Kohachiro Shoten, which has recently received many orders from home and abroad. Now, it is exhibited at the Art Gallery of New South Wales (the second largest in Australia), the most important public museum in Sydney. Please have a look.
https://www.shokunin.com/en/otera/eto.html (Mini Eto series)
https://goo.gl/maps/q7o4HTUmEBQYXnnr6 (The Art Gallery of New South Wales)