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Hamidi-Khosrowshahi A, Hamzavi Y. Conservation and Restoration of the Oldest Gypsum-Based Inscription with Tokhmeh-Gozari Technique Belonging to the Sayyid Fathullah Mausoleum in Varamin-Iran. KCR 2021; 4 (2) :81-94
URL: http://journal.richt.ir/kcr/article-1-170-en.html

The importance of architectural decorations and particularly the remained inscriptions that contain valuable information from distant times is not hidden from anyone. Therefore, it is very vital to preserve these precious artworks. The upcoming research is related to one of the oldest and rarest gypsum-based architectural decorations worked with a rare technique called Tokhmeh-Gozari. The Tokhmeh- Gozari technique have been worked in a limited number due to the difficulty in implementation, and only few number of them are passed to us. This historical work is a written and two-color inscription in Thuluth script in the Sayyid Fathullah mausoleum in Varamin. This mausoleum, which was registered in the list of national monuments in 2004, belongs to the Ilkhanid era. Also, the mentioned inscription with dimensions of 65 * 150 cm, was executed in three lines and had damages such as structural cracks on the surface along with the chemical damages. According to the decision of the trustees of the mausoleum to destroy the inscription, and also knowing that this inscription is among the oldest gypsum-based cast decorations with Tokhmeh-Gozari technique, the aim of this research is to preserve the work in its original location (the northern side of the mausoleum) and
restore it according to the best possible method. In order to achieve the most appropriate method of restoration of this inscription, the ethics
of restoration interventions were adjusted according to the artwork. And the practical part of the work, respectively included; Structural consolidation of the inscription, peeling off the inscription that led to the discovery of another inscription, mechanical and chemical cleaning, consolidating the mortar structure using fabric paste, surface stabilization, filling the lacuna using colored gypsum mortar, framing the inscription. Also, after finishing the restoration process of the artwork, it became possible for the audience to read the inscription carefully and to comprehend its conceptual content thoroughly, and the date of its creation, was revealed.