sporadicq:Image of Zoroaster, from the 18th century manuscript on alchemy Clavis Artis, attributed t
sporadicq:Image of Zoroaster, from the 18th century manuscript on alchemy Clavis Artis, attributed to Zoroaster. Biblioteca dell'Accademia Nazionale dei Lincei, Roma, vol. 1, p. 3. (Source) -- source link