Several visitors and scholars have noted the gate over the centuries, with a particular focus on its mysterious stonemason inscriptions. A second, 19th-century effort inaccurately ascribed the mysterious stonemason inscriptions to donors financing specific blocks. After a thorough initial examination, Korda separated the mysterious stonemason inscriptions into 27 ‘types’ and then split them into two groups. Mysterious Stonemason Inscriptions Likely Stonemason Marks Identifying Workers and WorkKorda ultimately determined that the inscription pattern represented two distinct systems used to organize and pay for stonemason work. One unusual aspect highlighted by Korda’s work was that the mysterious stonemason inscriptions were not hidden during construction, unlike stonemason marks found at other ancient construction sites.