Roman numerals, the numeric system used in ancient Rome, employs combinations of letters from the Latin alphabet to signify values. The Roman numeral system is a cousin of Etruscan numerals. Use of Roman numerals continued after the decline of the Roman Empire. From the 14th century on, Roman numerals began to be replaced in most contexts by more convenient Hindu-Arabic numerals.
1973 Album cover shoot for Aladdin Sane, photographed by Brian Duffy. The lightning bolt represented the duality of the mind, although Bowie later explained that the "lad insane" of the album's title track was inspired by his brother Terry, who was diagnosed as a schizophrenic. Photo By Brian Duffy