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Princess Diana’s Private Letters to Terence Stamp Set for Auction, Showcasing Her Playful Side

6/11/2026, 1:05:27 PM

Auction of Diana’s Personal Correspondence

A collection of handwritten notes and postcards exchanged between the late Princess Diana and British actor Terence Stamp will be offered at Bonhams’ Sound & Cinema sale on 15 June. The items, part of Stamp’s estate, include several letters dated October 1991, a December 1991 postcard, and a humorous card about sex. Auction specialists estimate the correspondence will fetch between £1,500 and £2,000.

Background: Diana’s Friendship with Terence Stamp

Diana and Stamp cultivated a close friendship in the early 1990s, meeting through art dealer Oliver Hoare. Their correspondence reveals a candid rapport, with Diana using humor to discuss personal struggles, medication, and married life. Stamp’s 2017 memoir notes that Diana sought a confidant who could offer “objective opinions,” allowing the two to “open up to each other.” Their exchange continued until Stamp’s death in August 2022 at age 87.

Key Figures & Groups

  • Princess Diana – Former Princess of Wales, mother of Prince William and Prince Harry.
  • Terence Stamp – Golden Globe-winning actor known for roles in *Superman II* and *The Adventures of Priscilla, Queen of the Desert*.
  • Bonhams – International auction house conducting the sale.
  • Claire Tole-Moir – Head of popular culture at Bonhams, providing commentary on Stamp’s cultural significance.

Auction Details and Valuation

The sale will also feature Stamp’s scripts, costumes, photographs, and furniture. Claire Tole-Moir described Stamp as “an incredible actor whose long and varied career gave us many celebrated performances” and a “defining figure of London in the swinging Sixties, emblematic of a certain style and charm.” The estimated price range for the letters reflects both their rarity and the public’s enduring interest in Diana’s private life.

Why the Sale Matters

The letters offer a rare glimpse into Diana’s informal voice, contrasting with the formal tone of official royal communications. By revealing jokes about Prozac, explicit postcards, and quips about marital sex, the correspondence deepens public understanding of her personal vulnerabilities and sense of humor. The auction underscores the market’s appetite for intimate royal memorabilia and contributes to ongoing scholarly and popular narratives about Diana’s legacy.

Official Statements from Bonhams

Claire Tole-Moir emphasized that the forthcoming sale “puts Diana’s personal side in focus,” noting that while the items are not official documents, they “carry unusual weight” for collectors. Bonhams confirmed that the letters will be presented alongside Stamp’s cinematic artifacts, highlighting the breadth of the estate.

Verbatim Quotes from the Letters and Memoir

  • “Three cheers for Prozac, not the American variety I hasten to add!” — Princess Diana, letter, October 1991.
  • “All the Breast from London.” — Princess Diana, postcard, December 1991.
  • “Why did God invent SEX?” — Princess Diana, humorous card, December 1991.
  • “She just wanted somebody to talk to that was a guy who would give her objective opinions.” — Terence Stamp, 2017 memoir.
  • “I saw the sadness in her because… she was a believer in the marriage and all that, and it didn’t turn out the way she expected it to.” — Terence Stamp, 2017 memoir.

Conflicting Reports & Gaps

All sources agree on the auction date, estimate, and content of the letters; no contradictory figures or timelines appear. However, the reliability scores of the reporting outlets vary, and independent verification of the letters’ provenance beyond the estate’s claim is not provided.

What’s Next

The Bonhams Sound & Cinema sale will commence on 15 June, with bidding conducted both in-person and online. Collectors and scholars alike will await the final hammer price and any subsequent disclosures about Diana’s private correspondence.