In the early Showa era, Ebisuya sealed natural mineral pigments in test tubes, affixed labels, and sold them. The labels were white with a double red border, indicating they were from Ebisuya. Luna test tubes come in both slightly larger and smaller sizes, with many having handwritten black text on white labels. Both types of labels are important materials for verifying authenticity. The mineral pigments in this listing were acquired 20 years ago from a Japanese painter who passed away at the age of 100. 〇 Ocher (Ōdo) - 25.05g Ocher is a mineral pigment made from natural limonite. It is a stable, earthy yellowish-brown color with a slight reddish tint, fine and uniform grain size, and does not fade. Handwritten labels are common on the test tubes. Especially for Luna, the quality of the natural earth pigments was stable, so ocher was particularly trusted. It is a stable, earthy yellowish-brown color made from natural limonite. Luna test tube forms: There are thick and thin glass tubes, with many having handwritten black text on white labels. 〇 Taisya = Daisha (Taisya) Luna - 13.78g, Ebisuya - 6.52g As a natural iron oxide (hematite/limonite) pigment, it is in the same iron oxide family as Soho and Hi. If "Taisya" is written, it usually means "Daisha" or "Sodo." Its specific gravity is lighter than cinnabar and heavier than gesso. It is widely used for expressing earth, rocks, and ground, for shading buildings and backgrounds, and for underpainting skin (especially for men and the elderly). Currently, its price is increasing due to its collector value. Total: 45g Especially, the 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. Please examine them carefully before making a purchase.