Tibetan Mark Ang Khang Gyon (U+0F3C) is a Unicode open punctuation from the Tibetan block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class ON (other neutrals), is mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ༼ or ༼.