This is a set of Kutani-yaki sake bottle (tokkuri) and cups (ochoko), a traditional Japanese craft. It is a traditional pottery made in the Kaga region of Ishikawa Prefecture. Kutani-yaki is characterized by its vivid colors and intricate patterns, with beautiful gold accents that enhance its elegance. The design in the image resembles the "Shoza style" by Kutani Shoza, a Kutani-yaki painter who was active from the late Edo period to the Meiji period, and features detailed depictions of people and landscapes. The delicate design is crafted by skilled artisans, and it is a masterpiece that allows you to enjoy the beauty of Japanese tradition and the charm of Kutani-yaki.