Ol Onal Sign Ikir (U+1E5EF) is a Unicode nonspacing mark from the Ol Onal block. It resides on Plane 1 (SMP, Supplementary Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 220 (Below). In HTML it can be written as 𞗯 or 𞗯. Because it is outside the Basic Multilingual Plane, proper font support is required; otherwise a fallback box may be shown.