This building is located under the Salam Hall or Museum. It is indeed a part of the first Iranian museum, which was built by Mohamad Ebrahim Khan Memar Bashi.
In Nasser-0l-Din shah’s period, this building was used as a warehouse for the china and silverware, which was dedicated to Qajar kings.
In the Pahlavi period, this warehouse was turned in to a museum to expose the rare gifts, which was given to the Qajar kings.
Right now in addition to the gifts, some rare objects are kept in this museum, some of them are as follows:
1-Helmet of king Esmail Safavid.
2- Bow and arrows of King Nader.
3- Armband of Fath Ali Shah.
4- The collection of Qajar Seals.
5- Aga Mohamad khan’s crown.
6- A decorated ostrich egg.