Attention: due to customs regulations we can only ship inside the European Union. Please ensure you have a valid EU shipping address before placing a bid. Ottoman Empire, domed rock crystal seal. The outside is engraved with large circles and diamond shapes. The flat face is finely engraved with a lion to right. Star above and moon symbol to the right. The seal is pierced transversely for suspension, allowing the owner to wear it as an ornament. Size: ± 22,9 x 19,7 x 15,3 mm Condition: very good condition, finely detailed engraving and giving a sharp impression. Signs of wear consistent with age and use. Certificate of Authenticity (PDF) is available upon request. → Rock crystal was valued in the Islamic world for its clarity, hardness and refined appearance. Seals of this type served both practical and personal purposes: the engraved face could be used to impress a design into wax or clay, while the transverse piercing allowed it to be worn suspended as a personal ornament or protective amulet.