Ko te Mastabat al-Fir<unk>aun i whakaahuatia mo te wa tuatahi e John Perring i waenganui o te rautau 19. I rapu ano a Karl Richard Lepsius i te urupa, engari kaore ia i mahi i tetahi rangahau tata. Ko te rangahau tuatahi o nga waahanga o raro o te hanganga i mahia e Auguste Mariette i te 1858. Ko te keri tika o te urupa katoa i whakahaeretia e Gustave Jéquier i te 1924/5. Ko ia hoki te tuatahi ki te whakatakoto i te hanganga ki a Shepseskaf, na te kitenga o te waahanga o te papa. I mua i tenei, i whakawhiwhia te urupa ki a Unas, te rangatira whakamutunga o te Fifth Dynasty. Pātai: Ko wai te tuatahi i whakaahua i te Mastabat al-Fir<unk>a'un?
Ko John Perring