Detail
2021
Black marble with original case
Incised signature on the back, Signed on the certificate
11.8 × 25.0 × 3.4 cm (4⅝ × 9⅞ × 1⅜ in.)
ED. 50
Certificate of Authenticity by The Mass
Estimate
¥120,000 - 180,000$800 - 1,200
