In the early Showa era, Ebisuya sealed natural mineral pigments in test tubes, affixed labels, and sold them. These labels, featuring a double red frame on a white background, are crucial for authenticating "Ebisuya-released" products. The paint offered here was acquired 20 years ago from a Japanese painter who passed away at the age of 100. ◎ Natural Beni-Shinsha (Vermilion) 15.32g High purity, glossy, and top-grade. Rarely found in the market, the test tube packaging with the early Showa era label makes this a special-class item with significant historical value. "Early Showa era natural Beni-Shinsha" has high purity, a slightly brighter crystal than red cinnabar, and often finer particles. It is in a completely different class from modern new mineral pigments, and commands a very high price in the collector's market, alongside black ultramarine and ultramarine. Uses: Flowers, clothing, decorations, cheeks of women, etc. "A bright and vibrant red." ◎ Honshu Akakuchi (Genuine Vermilion, Red Mouth) 4g A specialized term referring to "a particularly reddish batch" of genuine vermilion. Among natural cinnabar, it has high purity, a deeper color than vermilion, and a slightly brighter "authentic vermilion" than red cinnabar. A high-grade among genuine vermilion. Extremely rare today, it has high antique value, and is not just a color name, but a "grading based on hue differences" of genuine vermilion made from cinnabar. * Although natural, cinnabar is said to be toxic, so care should be taken to avoid inhalation. * This item was acquired 20 years ago from a Japanese painter who passed away at the age of 100. Especially, natural mineral pigments in test tubes from that time have antique value and are sometimes traded at high prices as research materials and collector's items. (From AI research materials) The photos and descriptions are complete, so please examine them carefully and we look forward to your purchase.