TEHRAN -- "Some 120 clay stamps belonging to pre-Islamic era were discovered during an archaeological excavation in Takht-e Suleiman," said head of the excavation project.

Ebrahim Heidari added that shapes of different animals and myths are engraved on the stamps.

"Written scripts of Sassanid era (A.D. 224-651) on the discovered stamps are highly significant for the researchers who study the history of the era," he continued.

He also said that last year over 1,000 historical sites and works were discovered in the region.

Takht-e Suleiman of Takab is considered as one of the main and largest wonders of the ancient world enjoying several rounds of civilizations.

Today, Takht-e Suleiman is part of the remains of a great palace and castle that used to belong to Zoroastrian priests. It was ruined by the Romans who ruled territories stretching from Britain and Germany to North Africa and the Persian Gulf from 27 B.C. to A.D. 14.

Takab is located at southeast of Urumieh, West Azarbaijan.