Tricoloured horse extends past the eye, over the chin, or both. The genetics of overo and sabino are not yet fully understood, but and can appear in the offspring of two apparently solid-coloured parents, whereas a tobiano must always have at least one tobiano parent. Tricoloured horse Tri-coloured (archaic: "oddbald") refers to a horse with three different coat colours in a pinto spotting pattern of large white and dark patches, usually bay (a reddish colour with a black mane and tail) and white. This colouring is also commonly called skewbald (referring to a horse with a spotted coat that is white and
Unit Colour Patch War I, when on 8 March 1915 1st Division Order No 81 was issued at Mena, Egypt authorising their creation by units of the First AIF. It was an extension of an order allowing the posting of distinctive colour flags to denote HQ and unit lines, and these flags were used as the basic design for 1st Division colour patches. These were worn on the sleeve, below the shoulder seam. Divisional Order 81 decreed a rectangular patch by , and as further divisions created colour patches, the shape of the patch indicated the division: Each Infantry Brigade within each Division