Below is a detailed breakdown based on existing research and market data:
| Category | Features & Context | Examples & References | Reliability |
|---|---|---|---|
| 1. Suspected Authentic / Special Form | Openwork landscape with mountain-shaped rim (not a standard cylindrical form). Bold, vivid blue-and-white, fine unglazed base, no reign mark. Considered an extremely rare imperial scholarly object made specifically for the court during the Xuande reign. | Mentioned in some research articles; comparable to the “Da Ming Xuande Nian Zhi”‑marked blue-and-white brush washer in mountain form housed at the Shanghai Museum. | Of academic interest, but not a universally accepted standard form. |
| 2. Qing Dynasty Pieces with Apocryphal Marks | Standard cylindrical brush pot form, but with “Da Ming Xuande Nian Zhi” mark on the base. These are archaistic works produced during the Kangxi, Yongzheng, and Qianlong reigns—now regarded as antiques in their own right. | – Kangxi period green-glazed carved “Solitary Angler” brush pot (Xiling Auction) – Kangxi period blue-and-white “Five Sons” hexagonal brush pot (Hancheng International) – Kangxi period green-glazed carved chilong brush pot (Lian Pai Online) | Well‑attested; commonly seen in the auction market. Value depends on the quality of the Qing‑era work itself. |
| 3. Modern / Recent Reproductions | Cylindrical form; blue-and-white attempts to imitate Su-ma-li blue. Decoration often features dragons or magpies and plum blossoms. Circulated in private sales, small‑scale auctions, or online platforms. Extremely high risk of forgery. | – “Ming Xuande impressed blue-and-white magpie, red plum, bamboo, and rock brush pot” on Kongfz.com, listed at ¥20,000–¥100,000. – “Da Ming Xuande blue-and-white dragon brush pot” displayed on Artron.net / Yu Bao Xuan, listed at ¥380,000; clearly commercial promotional material. – Kongfz.com listing: “collected piece” starting at ¥280. | None of these appear in major auction house records; no authoritative authentication. Extreme caution is advised. |
