… bone, tortoise-shell, horn, antlers, coral, mother-of-pearl and other animal carving material, and articles of …
Explanatory notes
… bone, tortoise‑shell, horn, antlers, coral, mother‑of‑pearl and other animal carving material, and articles of … bone, tortoise‑shell, horn, antlers, coral, mother‑of‑pearl, etc., in the form of sheets, plates, rods, etc., cut … of marine polyps) and agglomerated coral. (VI) Mother‑of‑pearl, the lustrous, iridescent nacreous lining of certain …