Description: Rectangular gem. Black haematite. Small chips on the edge.
A: Three lines of Hebrew inscription written in the Samaritan alphabet:
אין כאל ישרון (ʾyn kʾl yšrwn) → אֵין כָּאֵל יְשֻׁרוּן → "There is no one like the God of Israel" (Deut. 33, 26.).
B: Five lines of Greek inscription: εισθε|οσβο|ηθιμ|αρκι|ανην → εἷς θεὸς βοήθει Μαρκιανήν 'The sole god, help Markiane!'
Bibliography
Bonner, SMA on CBd-1450
Spier, Gems on CBd-1450
Mastrocinque 2014, no. 651.