Combining Cyrillic Ten Millions Sign (U+A670) is a Unicode enclosing mark from the Cyrillic Extended-B block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ꙰ or ꙰.