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Azure Sky – Coffee Sensory Cup, Large Tilt – Catherine Gu Signed Edition
CCCLAY's Azure Sky Catherine Gu Signed Edition is a 220 ml Large Tilt porcelain coffee sensory cup with a sky-inspired blue glaze and Catherine Gu's handwritten gold-colored paint-pen signature, offered as a collectible display piece with dry-cloth-only care.
Option:
Limited Signature EditionBest Uses
- Collecting and display: A hand-signed edition of CCCLAY's Azure Sky Large Tilt Cup.
- Gift selection: A Catherine Gu signed collectible for someone who can follow dry-cloth-only care.
Key Specifications
- Product: Azure Sky – Coffee Sensory Cup, Large Tilt – Catherine Gu Signed Edition.
- Cup shape: Large Tilt.
- Capacity: 220 ml.
- Material: Porcelain; made in China.
- Design: Tilt cup form with thin and thick sipping sides.
- Technique: Single blue glaze with sky-inspired blue-white tonal variation.
- Kaolin sources: Hunan, Jiangxi and Guangdong, China.
- Porcelain-body firing: 1,220°C or higher.
- Signature: Handwritten by Catherine Gu using a gold-colored paint pen.
- Care method: Soft, dry cloth only.
Design & Craft
- Technique: A single blue glaze is used to create a sky-inspired finish with soft blue-white tonal variation.
- Craft challenge: The blue is developed to echo the natural color of the sky, with white tones within blue and blue within white.
- Design inspiration: The openness of the sky and its changing balance of blue and white.
- Finish: High-fired glaze. Small variations in the handmade finish make each piece individual.
- Signature: Catherine Gu signs each piece by hand using a gold-colored paint pen.
Materials
Porcelain made from an exclusive kaolin blend sourced from Hunan, Jiangxi and Guangdong, China. The blend is formulated for the functional requirements of each cup design. The porcelain body is fired at 1,220°C or higher. Single blue glaze with sky-inspired blue-white tonal variation. Hand-signed by Catherine Gu using a gold-colored paint pen.
Product Care
- Dry-cloth care only: Wipe gently with a soft, dry cloth.
- Do not rinse, hand wash, soak or put this signed edition in a dishwasher.
- Do not scrub the painted signature or use abrasive cleaning tools.
We offer FREE SHIPPING on orders $259+. Learn More
We ship all over the world. Shipping cost for orders under $259 will apply, and will be added at checkout.
Orders are shipped within 5 business days of payment confirmation. Please note that weekends and national holidays are not included in this processing time.













Azure Sky – Coffee Sensory Cup, Large Tilt – Catherine Gu Signed Edition

Porcelain Designed for Professional Beverage Tasting
CCCLAY designs and makes porcelain tasting cups for coffee, tea, craft beer, wine and spirits, using proprietary kaolin blends and specially developed glazes.
Kaolin origin: Premium kaolin sourced from Hunan, Jiangxi and Guangdong, China.
Proprietary porcelain blends: Kaolin from these three provinces is blended to meet the functional requirements of each cup design.
High-temperature firing: The porcelain is fired at 1,220°C or higher.
Beverage-specific glazes: CCCLAY develops custom glazes for different beverages, with the aim of enhancing aroma and flavor perception and delivering a smooth, refined drinking experience.
For CCCLAY, competition-level tasting is a commitment to care, precision and attention to every drink.

Rooted in Traditional Chinese Color-Glaze Craftsmanship
CCCLAY innovates the heritage with a modern touch — developing gradient effects with richer colors and smoother, more natural transitions, breathing modern life into an ancient technique.

Uniquely Handmade
Because these cups are handmade, each one possesses its own unique beauty and character. The slight variations, including minor bumps or pores, are a natural result of the porcelain material and our careful crafting process.
These distinctive features make your cup unique and truly special.





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