This photograph from Émile Baraize’s excavations in the 1920s shows the Great Sphinx during restoration work, revealing multiple phases of its history. The original Old Kingdom limestone core is visible alongside later additions and repairs, including New Kingdom and Roman interventions.
Source: Archives Lacau, Centre Golenischeff, EPHE, PSL. "Black and White Photo 02377 from Egypt/Giza/Unspecified Sphinx Area 7". (2017) In ARCE Sphinx Project 1979-1983 Archive. Mark Lehner, Megan Flowers, Rebekah Miracle (Eds.) . Released: 2017-12-23. Licensed under CC by 4.0