Archaeologists have discovered the 3,300-year-old tomb of the ancient Egyptian capital's mayor, whose resting place had been lost under the desert sand since 19th century treasure hunters first carted off some of its decorative wall panels, officials announced Sunday.

Ptahmes, the mayor of Memphis, also served as army chief, overseer of the treasury and royal scribe under Seti I and his son and successor, Ramses II, in the 13th century B.C.

The discovery of his tomb earlier this year in a New Kingdom necropolis at Saqqara, south of Cairo, solves a riddle dating back to 1885, when foreign expeditions made off with pieces of the tomb, whose location was soon after forgotten.

"Since then it was covered by sand and no one knew about it," said Ola el-Aguizy, the Cairo University archaeology professor who led the excavation. "It is important because this tomb was the lost tomb."...