A never-before-seen letter from Princess Diana has surfaced, and it cuts straight to the heart of what she wanted most for her sons. Written on November 27, 1995 — just one week after her explosive BBC Panorama interview — the two-page note shows Diana looking ahead and hoping to teach Prince William and Prince Harry the value of real, deep communication.

The letter, addressed to a fan named Michael Barratt who had written to her after watching the interview, stayed private in his possession for three decades. Now it’s heading to auction at Reeman Dansie in Colchester on June 9, 2026, and royal watchers are already feeling its emotional weight.

What Princess Diana Wrote About William and Harry in the Private Letter

Diana penned the letter on her personal Kensington Palace stationery with the crowned “D” letterhead. She thanked Barratt for his supportive words, especially his thoughts on self-knowledge and moving forward in life. Then she turned to her boys.

According to the detailed lot description from Reeman Dansie, Diana expressed hope that her Panorama interview would help other women facing similar struggles. She also wrote that she looked forward to the future and to “sharing with and teaching William and Harry the importance of communication on a deeper level.”

She closed by saying his letter had been invaluable and signed it simply: “With my best wishes, Yours sincerely, Diana.” The original envelope, addressed in her own hand, remains with the letter.

“She looks forward to the future and sharing with and teaching William and Harry the importance of communication on a deeper level.” — Reeman Dansie auction description

The Explosive Backdrop: Diana’s 1995 Panorama Interview

The letter came at a raw moment. On November 20, 1995, Diana sat down with Martin Bashir for the now-infamous Panorama special watched by 23 million people in the UK alone. She spoke openly about her unhappy marriage, the famous line “there were three of us in this marriage,” her struggles with bulimia, and the isolation she felt inside the royal family.

Just days later, while still processing the global fallout, Diana took time to reply to an ordinary fan who had reached out. That choice speaks volumes about the kind of mother she was — someone who still made space for kindness even when her own world was under intense scrutiny.

Why This Letter Feels Especially Poignant in 2026

Read today, Diana’s words land differently. Prince William and Prince Harry have lived through years of very public strain in their relationship. The brothers who once appeared inseparable now navigate separate lives and, at times, visible distance.

Diana’s hope that her sons would learn to communicate on a deeper level feels almost like a quiet message sent across time. She wanted them to talk — really talk — and to carry that skill into their adult lives. In 2026, with William as Prince of Wales and Harry building his life in California, that simple maternal wish carries extra resonance.

Fans and commentators have already started noting how the letter humanizes Diana even further. She wasn’t just the People’s Princess on the world stage. She was a mother thinking about her boys’ emotional futures while her own life was being picked apart in the headlines.

Going Under the Hammer: Auction Details and What It Could Fetch

Reeman Dansie will offer the letter as Lot 34 in its Royalty, Antiques & Fine Art sale on June 9, 2026, in Colchester, Essex. The auction house has given it a pre-sale estimate of £3,000 to £4,000 (roughly $4,040 to $5,385 USD).

Provenance is strong and straightforward. Michael Barratt watched the Panorama interview, felt moved to write to Diana, and received this personal reply. He has kept it safe ever since. The letter includes the original envelope Diana addressed herself.

Collectors of royal memorabilia have shown strong interest in Diana items in recent years. This piece stands out because it directly connects to one of the most watched moments of her life and offers rare insight into her private thoughts about her sons.

Diana’s Lasting Message to Her Sons — and the World

Beyond the auction price, the real value here is emotional. Diana used her own difficult moment to plant a seed of hope for William and Harry. She wanted them to grow into men who could communicate openly and honestly with each other.

That message feels timeless. It also reminds everyone why Diana’s story continues to grip people more than 28 years after her death. She was never just a royal figure. She was a mother who, even in the middle of her own chaos, kept her focus on her boys’ hearts.

As the letter prepares to find a new home, one thing is clear: Diana’s voice still has the power to stop people in their tracks and make them think about what really matters between family.

Frequently Asked Questions

  • What does Princess Diana’s never-before-seen letter say about William and Harry? She hoped to teach them the importance of communication on a deeper level and looked forward to sharing that lesson with them in the future.
  • When was the letter written? November 27, 1995 — one week after her BBC Panorama interview.
  • Who received the letter? Michael Barratt, a fan who wrote to Diana after watching the interview.
  • When and where is it being auctioned? June 9, 2026 at Reeman Dansie in Colchester, Essex, UK. Estimate £3,000–£4,000.
  • Is the full letter text public? The auction house has released a detailed summary of its contents. The complete two-page original will be available for viewing by serious bidders.