Christogram IHS
In the Western culture there exist the compositions: "IHS" and also "IHC" being the first letters (iota-eta-sigma) of the name Jesus in Greek alphabet: ΙΗΣΟΥΣ (Ίησοῦς or ΙΗϹΟΥϹ with lunated sigma). The abbreviation in form "IHS" appeared in first time on the coins of Justinian II on the turn of the 7th and 8th centuries.