◎ Natural rock pigments: In the early Showa era, test tube-filled "Hakuroku" (pale green) and "Nezumi" (gray) released by Ebisya were rare items that circulated as natural rock pigments, possessing a collector's market value completely different from modern synthetic pigments. 〇 About Natural Hakuroku (Pale Green) "Hakuroku" is a traditional color name for blue-green rock pigments, a variation of "Gunryoku" (malachite green). "Hakuroku" is a pale variation of Gunryoku, a traditional color name for blue-green. It is a whitish-green color with a soft and refreshing tone (see photo). As a natural rock pigment, it was made by crushing natural minerals until the early Showa era and sold in small portions in test tubes and glass bottles. 〇 About Natural Nezumi (Gray) "Test tube-filled Nezumi (gray)" released by Ebisya in the early Showa era was a gray-black to gray-colored pigment made by crushing natural rock pigments, a rare natural product used for shading and background expression. Unlike modern artificial synthetic gray, it has antique value and cultural significance. 〇 About the Meaning and Value of the Label In the early Showa era, Ebisya sealed natural rock pigments in test tubes and sold them with labels. The label with the double red-framed "Ebisya" on a white background is an important material for authenticating natural rock pigments from the early Showa era. In particular, the natural test tube-filled pigments of that time have antique value and are sometimes traded at high prices as research materials and collector's items. (From AI research materials) Regarding the photos and explanations provided, please examine them thoroughly and we look forward to your purchase.