This is a small, wheel-thrown ceramic vessel, likely served as a miniature censer or scholar's brush washer. It features a compressed globular body with a wide mouth and a slightly tapered foot. The material is a white porcelain or high-fired stoneware coated in a glossy clear glaze. The exterior is decorated with traditional underglaze cobalt blue painting, following the 'Landscape' or 'Shanshui' style. The motif depicts a serene water scene with stylized mountains, pine trees, water ripples, and a flock of birds in flight. Two blue concentric bands frame the decoration at the rim and base. The brushwork is expressive but appears to be of 20th-century production, likely a decorative export piece or a souvenir rather than an antique imperial ware. The item appears to be in good used condition with visible water droplets on the surface, indicating recent use. There are no obvious cracks or large chips visible in the image, and the blue pigment remains vibrant against the cool white ground. The craftsmanship is functional with a smooth finish on the inner rim, typical of modern mass-produced artisanal ceramics.

I have carefully examined the provided visual details of this blue and white porcelain mini censer/brush washer. Based on the brushwork, glaze quality, and decoration, I identify this as a modern 20th-century decorative piece, likely manufactured in Jingdezhen for the export or souvenir market. The 'Shanshui' landscape motif, while traditional, displays the loose, rapid application characteristic of modern mass-produced artisanal wares rather than the meticulous depth found in Kangxi or Qianlong period originals. The condition appears consistent with a well-maintained contemporary item; the glaze maintains a high gloss, and no structural failures like hairlines or major chips are visible, though the presence of water suggests recent functional use which can lead to calcification over time if not dried. Market demand for modern decorative Chinese ceramics remains steady but high-volume, limiting rarity. Comparable items are frequently found in estate sales and online marketplaces within this price range. Several limitations exist in an image-based appraisal: I cannot verify the presence of 'chatter marks' on the foot rim, the weight/density of the paste, or the specific translucency of the porcelain under UV light. A full authentication would require physical inspection to check for spurious reign marks on the base, provenance documentation to establish age, and tactile assessment of the foot ring's texture. For these reasons, this valuation assumes a decorative status rather than an antique designation.