Princes Charles, William, Harry
Prince Charles wore matching uniforms with his sons in July. Pictured: Princes Charles, William, Harry attend a ceremony to mark the centenary of the Battle of Vimy Ridge on April 9, 2017 in Vimy France. Getty Images/Arthur Edwards-Pool

Prince Charles, Prince William, Prince Harry’s never-before-seen photo wearing the same uniform has just been released.

Clarence House tweeted a snap of the three male royals ahead of Prince Charles’ 70th birthday on Nov. 14. It has been revealed that the picture has been made into a new stamp that will be used on official palace documents.

In the photo, Prince Charles is standing in between his two sons with the late Princess Diana. The three men are smiling from ear to ear while wearing the exact same uniform. However, Prince Harry’s attire does not feature a blue sash. Prince Charles hands are clasped in front of him, while Prince William and Prince Harry’s hands were placed behind them.

Kelsie Gibson, a journalist for Pop Sugar, revealed that the photo of the three Dukes was taken at the Royal Airforce Celebration in July. Clarence House also released several other adorable stamps featuring Prince Charles and the other members of the royal family.

In some of the stamps, Prince Charles is seen smiling at the camera in close up. One of his stamps featured him hugging his wife Camilla Parker Bowles. Another stamp featured a throwback photo of the Duke of Cornwall with the Dukes of Cambridge and Sussex taken at a sports event.

Prince Charles’ 70th birthday is expected to be a massive event among the members of the royal family. Queen Elizabeth II will be throwing her eldest son a huge bash that will be attended by his closest friends and colleagues. Prior to Prince Charles’ birthday, BBC already released a documentary about his life and work entitled “Prince, Son, and Heir: Charles at 70.”

In the documentary, Prince William and Prince Harry encouraged their dad to slow down from all of his engagements and work. Growing up, Prince Harry remembered how difficult it was to even say goodnight to his dad because there are piles and piles of paperwork inside his office.

He also said that Prince Charles eats dinner very late at night and returns to his office to get more work done. In some instances, he even falls asleep while attending to his tasks.