A group of three 'jun' bowls Song / Jin Dynasty

the first of deep rounded form, covered in an intense sky-blue glaze thinning at the rims to a light mushroom tone, the glaze suffused overall with a fine network of crackles; the second smaller bowl applied with a bright pale lavender-blue glaze stopping short of the splayed foot to reveal the buff ware; and the third a shallow dish-form bowl covered in a dark olive-green glaze with brown-stained crackles (3)