[SunkenCiv]

Titus complained of the tax which Vespasian had imposed on the contents of the City urinals (used by the fullers to clean woollens). Vespasian handed him a coin which had been part of the first day's proceeds: 'Does it smell bad, my son?' he asked. 'No, Father!' 'That's odd: it comes straight from the urinal! [The Twelve Caesars by Gaius Suetonius Tranquillus, Translated by Robert Graves]

Thanks NYer for the link!

[BenLurkin]