This is Shigaraki-yaki pottery. The artist is Mr. Shu Fujimoto. It has a unique firing method. I heard it's in the style of a Shigaraki anagama kiln pull. Size: Tokkuri (sake bottle): Spout/40-15 　　　　Around the body: 90, Height: 130 Guinomi (sake cup): Diameter: 60, Height: 70