Question: What superpower in 1980 created a stamp in honor of Avicenna?
Answer: In 1980, the Soviet Union, which then ruled his birthplace Bukhara, celebrated the thousandth anniversary of Avicenna's birth by circulating various commemorative stamps with artistic illustrations, and by erecting a bust of Avicenna based on anthropological research by Soviet scholars.[citation needed]
Is the question answered in a satisfactory fashion?
yes