No 22
Location: Iin the central part of the south gallery, on the narrow front of the marble balustrade of the first Lodge (from east to west).
Material: Marble surface, 6th century.
Dimensions: Single-line inscription, 34.5 cm long. The letters ranged in height from 1.5 cm (A) to 2.3 cm (Л), and 0.6 cm for the numbers (B) to 2.3 cm (1, 8, 7).
Condition: Lightly incised, clearly legible letters.
Technique: Incised.
Language: Russian.
Scripture: Cyrillic.
Text: діаталовичъ 
Translation: Diatalovič
Attribution: Autograph inscription.
Publications: Tomov, Nepoznatiyat hram „Sv. Sofia”, 127.
Commentary: Tomov, Nepoznatiyat hram „Sv. Sofia”, 127.
Palaeography: Tomov, Nepoznatiyat hram „Sv. Sofia”, 127.
Date: 29.07.1878.