Estimated Date: Modern. A Changhua chicken blood stone seal blank.Attribution: This square seal stone is carved from Changhua chicken blood stone, featuring a translucent grayish-white frozen matrix with a warm, lustrous appearance. Vivid crimson "chicken blood" markings are naturally distributed in bands and scattered speckles, complemented by naturally occurring brownish-yellow stone veins. The seal is cut in the traditional plain square form with a flat top, intended for personal seal engraving.The natural contrast between the translucent ground and the vibrant red inclusions is characteristic of modern Changhua chicken blood stone, making it suitable both as a carving material and as a scholar's desk object.Auction Reference: Comparable Changhua chicken blood stone seal blanks of similar quality have realized RMB 6,000–22,000 (approximately USD 860–3,150) in the Chinese market.Dimensions:2.5 × 2.5 × 5.5 cm (1.0 × 1.0 × 2.2 in.)

Condition: The stone is in excellent overall condition. It is free from cracks, breaks, or losses, and the red coloration is naturally distributed throughout the material. Fine natural stone veins are present but do not affect the suitability of the stone for seal carving. The edges and corners have been smoothly and evenly polished, with no evidence of damage.