Coptic Capital Letter Cryptogrammic Shei (U+2CEB) is a Unicode uppercase letter from the Coptic block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class L (left-to-right), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as Ⳬ or Ⳬ.