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Illustration of Jamasp in the Shahnameh

Jamasp was an Iranian philosopher in the time of Zoroaster.

Jamasp was the Grand Vizier of Gushtasp.

The book Jamasp Namag is about him.

Sources

دوستخواه، جلیل: اوستا، کهن‌ترین سرودهای ایرانیان، چاپ دوم، انتشارات مروارید، تهران ۱۳۷۴.