As a rule, no two Tiberian Bibles are alike when it comes to their masoretic notes. Indeed, the masora magna notes can be thought of as part of the unique fingerprint of each individual manuscript. Notwithstanding, this study presents the first evidence of two Pentateuch codices containing identical masora magna, and explores how these codices relate to one another. Both these codices were the work of Samuel b. Jacob, the scribe who wrote the Leningrad Codex. Thus, this study contributes to our understanding of the scribal habits of this important figure