This antique inkwell with a glass lid has a deep, lustrous sheen reminiscent of black onyx. It measures approximately 9.5cm wide (measurements are approximate). When illuminated with a black light, it fluoresces yellow. This was confirmed with a 365nm light. While many similar items do not glow, this is a rare piece that exhibits a beautiful radiance. I am also listing other antique glass items. #yupi123 listing list The pale, amber-tinged glass has an appearance that seems to hold a serene moment in time. Inkwells are said to have been made around the Meiji Restoration, and are a representative example of antique glass stationery. Simply placing it on a desk adds depth to the space. When paired with a fountain pen, the world view is further enhanced, as if the scent of the good old days of civilization's opening is revived. Perhaps it was also loved by the literary giants of the Taisho Roman and Showa Retro eras, and its profound charm is also attractive. The unique press lines, distortions, wrinkles, and air bubbles characteristic of antique glass, as well as the expressions that convey the warmth of handcraftsmanship, are also one of its charms. One side of the lid's hinge is detached. While there are no cracks, chips, or dangerous areas, there may be rust, small scratches, cloudiness, scuffs, and chips due to aging. For those who can enjoy it as the texture of old tools and antiques that have passed through many years. We have confirmed that the Geiger counter readings are within acceptable levels for use. The photos were taken with an Android device. Please note that the color may vary depending on the light and equipment used. When illuminated with a black light or UV light, a fantastic light emerges. Perfect for Halloween displays, party decorations, and UV illumination effects. The lemon-colored light that shines in the darkness creates an extraordinary atmosphere and produces a fantastic night. It has a quiet presence as if time has stopped. The faint glow emitted by the old glass gently illuminates the romance that sleeps deep within the heart. This is a gem that we highly recommend to those who love uranium glass, vaseline glass, Taisho Roman spaces, vintage goods, and those who enjoy strolling through antique markets and flea markets.