Vintage Japanese calligraphy duan inkstone

Vintage Japanese calligraphy duan inkstone

Vintage 10 inch duan instone, 朝天坑. Brought from Japan, Seller described about 1980’. Please confirm by yourself. There is a sticker 朝天坑. Check the picture for a small dent, but no crack. Great qualities stone, Rare to find. 端砚朝天坑，从日本购入石头非常好，下墨飞快。因为磨墨中间忘记拿走墨条，干了再拿的时候沾下一块砚面，说明砚台的材料非常软糯，是石头质量很好的老端砚，因为砚台比较大，小坑不影响使用，完全没有裂纹。