Consisting of a portal with twin circular minarets, and a domed chamber containing the gravestone of a woman named Bakht-i Aga, this ensemble originally connected with a larger structure, no longer standing. The two extant elements appear to date from the same period, but the chamber may represent renovation and reconstruction work undertaken on a pre-existing structure at the time of the portal's construction. The gravestone itself is older, perhaps by two centuries.
The ornamentation is characteristic of the mid fourteenth century. A revetment is constructed from glazed bricks and faience; light and dark blue with some white and areas of glaze removed to reveal the biscuit, form kufic script and large geometric patterns.
Donald N. Wilber. The Architecture of Islamic Iran. New York: Greenwood Press, 1969.