Nerva A 38 mm badge with a blue background and "Vote Nerva". £1.25 Quantity: at £1.25 each Add To Basket 0 in your basket View Basket Checkout Nerva was one of the "Five Good Emperors", despite only reigning for two years before he died of illness. He was the first Emperor to be elected by the Senate. He was succeeded by Trajan. Size: 38 mm. Colour: Blue.