Two Junyao bowls, Song-Yuan Dynasty. Estimate  £500 - 700 (€700 - 980). Photo courtesy Bonhams.

The first conical bowl with smoothly curving sides, covered in a thick sky-blue glaze, thinning to a mushroom colour at the mouth rim and pooling at the low footrim; the second conical bowl with a mottled blue and lavender hued glaze with a purple splash to the well. The largest: 21.7cm (8 1/2in) diam. (2).

Bonhams. ASIAN ART, 11 May 2015 10:30 BST - LONDON, KNIGHTSBRIDGE