Egypt has launched an investigation into the planned sale of a 3000-year-old stone statue of King Tutankahmun which is expected to take place in London next month.

Officials in the country are concerned that the piece, known as the Amen Head, may have been looted from the country.

“If it’s proven that any piece has been illegally moved out of the country, we will take legal action with the Interpol,” a spokesperson for Egypt’s Ministry of Antiquities said. “We will never allow anyone to sell any ancient Egyptian artefact.”

The department would coordinate with Egypt’s Ministry of Foreign Affairs to recover the bust if the allegation was proven, they added.

“It seems that this sculpture was looted from [Luxor’s] Karnak Temple,” Zahi Hawass, the country’s former antiquities chief, alleged.

Ancient desert tomb reveals 50 Egyptian mummies Show all 9 1 /9 Ancient desert tomb reveals 50 Egyptian mummies Ancient desert tomb reveals 50 Egyptian mummies An archaeologist points at newly-discovered mummies, part of a collection found in burial chambers dating to the Ptolemaic era (305-30 BC) at the necropolis of Tuna el-Gebel in Egypt's southern Minya province. AFP/Getty Images Ancient desert tomb reveals 50 Egyptian mummies Mummies lie in a recently-discovered burial chamber in the desert province of Minya, south of Cairo, Egypt, 2 February, 2019. AP Ancient desert tomb reveals 50 Egyptian mummies An archaeologist brushes a newly-discovered mummy laid inside a sarcophagus. AFP/Getty Images Ancient desert tomb reveals 50 Egyptian mummies A mummy at Tuna el-Gebel archaeological site in Minya, 270km south of Cairo, Egypt, 2 February, 2019. EPA Ancient desert tomb reveals 50 Egyptian mummies Mummies lie in a recently-discovered burial chamber in the desert province of Minya, south of Cairo, Egypt, 2 February, 2019. AP Ancient desert tomb reveals 50 Egyptian mummies Newly-discovered mummies wrapped in linen. AFP/Getty Images Ancient desert tomb reveals 50 Egyptian mummies The partially-uncovered skull of a newly-discovered mummy wrapped in linen. AFP/Getty Images Ancient desert tomb reveals 50 Egyptian mummies Newly-discovered mummies wrapped in linen found in burial chambers dating to the Ptolemaic era (305-30 BC) at the necropolis of Tuna el-Gebel in Egypt's southern Minya province. AFP/Getty Images Ancient desert tomb reveals 50 Egyptian mummies Fragments of coloured carttonage on display at Tuna el-Gebel archaeological site in Minya, south of Cairo, Egypt, on 2 February, 2019. EPA

He added that the Christie’s auction house “would not have any proof whatsoever of its ownership”.

The statue is owned and being sold by The Resandro Collection, described by Christie’s as “one of the world’s most renowned private collections of Egyptian art”.

It said it did not have concerns over the statue’s ownership.

“Ancient objects by their nature cannot be traced over millennia,” a Christie’s spokesperson said. “It is hugely important to establish recent ownership and legal right to sell which we have clearly done. We would not offer for sale any object where there was concern over ownership or export.

“The work has been widely exhibited and published and we have alerted the Egyptian embassy so they are aware of the sale. There is a long-standing and legitimate market for works of art of the ancient world, in which Christie’s has participated for generations. Christie’s strictly adheres to bilateral treaties and international laws with respect to cultural property and patrimony.”

The auction house expects the “brown quartzite head” of the pharaoh to fetch more than £4m when it is auctioned on 4 July.

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The Resandro Collection acquired the sculpture “from Heinz Herzer, a Munich-based dealer, in 1985”.

“Prior to this, Joseph Messina, an Austrian dealer, acquired it in 1973-74 from Prinz Wilhelm von Thurn und Taxis who reputedly had it in his collection by the 1960s,” a Christie’s spokesperson added.

In January Egypt said it had recovered an ancient stone tablet which was illegally smuggled out of the country to the UK.