Soft sign
The soft sign ('Ь, ь, ꚝ) is a letter and punctuation mark in the Cyrillic script. It makes the ` sound as in сіль (sil`). It is named "the myagkiy znak" or simply "myagkiy" in Russian.
Soft Sign Media
Soft sign, from Alexandre Benois' 1904 alphabet book. It shows prorub′ (ice-hole), v′yuga (snowstorm) and puzyr′ (bubble).