Machine summary:
First, there is a mosaic tile inscription in white Thuluth script on a lapis lazuli background that encircles the upper part of the dome's neck, mentioning the completion date of the mausoleum construction (1402 AH) and its founder, Shah Abbas I.
The lands of the Hosseinabad farm, where the Khwaja Rabi mausoleum is located, were once considered among the endowments of the Parizad School in Mashhad based on the school's endowment deed; however, with the proof of the deed's forgery and a court ruling, it came under the possession of Astan Quds Razavi from the year 1371 AH (Molavi, 1/53-83).
/Sayyid Mohsen Hosseini/ Aghazadeh Khorasani, Mirza Mohammad (Najaf 1256 SH - Tehran 1361 SH), a teacher in the Mashhad seminary, one of the trustees of Astan Quds, and influential in the Goharshad Mosque incident.
Sources: Akhavan Mahdavi, Ali, Survey, 1383 SH; Erfaniyan, Hassan (Building Manager of the Holy Shrines), Interview, 31 Shahrivar 1381; Burial Affairs Office, Interview, 31 Khordad 1381; Technical Department of Astan Quds Razavi, Inactive Archives, File 509541, Document No. 081/32101-76/8/8, Ibid, Plan of part of the cellar construction under the Azadi Courtyard, Ibid, Map of the area under the Azadi Courtyard.
During the Qajar era, a place named Dar al-Rada'a existed for the care and breastfeeding of orphaned children in the Dar al-Shifa of Astan Quds, which some specific endowments indicate (Molavi, 1/39); however, the orphanage in its new form was established during the first Pahlavi era and during the regency of Mohammad Vali Khan Asadi (Motamen, 904).