Natural Whetstone Atagoyama Suita 1457g | Made in Japan, Kyoto, Shohonyama

Shohonyama Atagoyama Suita Japanese Natural Whetstone — Cream-Tone with Vintage Box (1,457g)
Approx. 207 × 78 × 37 mm

An authentic Suita finishing stone (Awasedo) from the prestigious Atagoyama Mine in Kyoto, Japan.

This attractive specimen features a soft cream-colored base accented by characteristic Suita patterning, displaying the classic appearance and natural beauty associated with high-quality Atagoyama stones.

Medium-hard in composition with a clean and responsive sharpening bite, it generates a rich, dark slurry while providing smooth and controlled sharpening performance. The stone produces a lustrous polish and an elegant Kasumi (hazy) finish, making it suitable for a wide range of fine edge tools.

Adding to its appeal, the stone is accompanied by its original vintage decorative paper box marked 「最上級」 (Supreme Grade). The rare patterned packaging significantly enhances its historical character and collector value.

Specifications & Features

Origin: Shohonyama, Atagoyama Mine (Kyoto, Japan)

Type: Suita Awasedo (Natural Finishing Stone)

Dimensions: Approx. 207 × 78 × 37 mm

Weight: 1,457 g

Hardness: Medium-Hard
(Smooth sharpening bite with rich slurry generation)

Color: Cream Tone with Distinctive Suita Patterns

Condition: Unused
(Long-term vintage storage)

Packaging: Original Vintage Decorative Paper Box
(Marked 「最上級」 / "Supreme Grade")

Protection: Sides and bottom sealed with Ishisan premium water-based protective lacquer

Performance & Application

• Smooth and responsive sharpening feel

• Produces a rich, dark slurry during use

• Excellent polishing capability with refined edge control

• Creates a lustrous and elegant Kasumi finish

• Suitable for both finishing and fine edge refinement

• Consistent performance across a wide range of steels

Recommended For

Kitchen Knives
Achieving a refined Kasumi finish and exceptional sharpness on premium Japanese and Western knives.

Carpentry Tools
Precision finishing for chisels (Nomi), plane blades (Kanna), and fine woodworking tools.

Precision Tools
Ultra-fine sharpening for woodcarving tools, straight razors, and delicate cutting instruments.

Collectors
A rare boxed specimen valued for its historical presentation, original packaging, and excellent preservation.

Collector's Note

Atagoyama natural stones are highly regarded among enthusiasts for their distinctive sharpening characteristics and beautiful finishing qualities. Examples that retain their original vintage packaging are becoming increasingly scarce, particularly those accompanied by decorative boxes bearing premium historical markings.

The combination of attractive cream-tone Suita patterning, original 「最上級」 (Supreme Grade) box, and excellent preservation makes this an especially appealing piece for collectors and users alike.

Authentic Shohonyama Atagoyama Suita Natural Whetstone.
Rare cream-tone specimen with distinctive Suita patterning and original vintage “Supreme Grade” box.
Well-preserved 1,457 g finishing stone from Kyoto, Japan.
A premium collector-grade Japanese natural whetstone combining traditional performance, historical charm, and visual appeal.