88820
Since dupondii minted prior to and during the reign of Nero , and occasionally under later rulers , lack the radiate crown , it is often hard to distinguish between the as and the dupondius due to heavy patina which often obscures the coin 's original color .
 Nero
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Nero