25096: Koyo (Tokoname) - Unglazed Oval - 12in (30cm) the thickness of the walls

the thickness of the walls and base are thin but not overly so

and by 1971 bonsai pots were his primary occupation

Wajaku and Sekishu

Speaking of patina

25096: Koyo (Tokoname) - Unglazed Oval - 12in (30cm) the thickness of the wallsFormal description: Japanese bonsai pot by Aiba Kouyou Koyou Koyo of Tokoname. Oval, internal rim, integrated feet, slip sprayed over, seal of Koyo underneath. External dimensions: 300 x 235 x 83mm (11 x 9 x 3 in) Internal dimensions: 268 x 204 x 66mm (10 x 8 x 2 in) SKU: 25096 Informal information: A popular style from Koyo, perhaps one that has grown in popularity as modern minimalist styles have this century. Interest comes from the grey slip