Tile 10 - 7th star tile.
Part of the Imam Zade Yahya,Veramin group. British Museum. Museum number G.468. Fritware (stonepaste), painted in lustre over an opaque white glaze. The central field is decorated in reserve against a lustred background with foliate motifs. The border is decorated with a Qur'anic inscription. The reversed surface is undecorated
The set so far: 7 star tiles, 3 cruciform... 10/25!