| Technique | chip to the foot of one bowl; restoration present on one bowl |
| Signature | incised “ロ” on the underside; incised "ロ" on the lower part of one bowl |
| Size | 各 / each : h6.7×φ10.9 cm |
| Certificate | original box (stamped, Yusai box) ; certificate of authenticity by Tokyo Art Club |