Makes › Rolls-Royce United Kingdom › Phantom IV · Royal, state & papal

Rolls-Royce Phantom IV 4BP7 – Princess Margaret

Historically documentedChassis 4BP7
IDENTIFICATION CARD · ROLLS-ROYCE PHANTOM IV CHASSIS 4BP7
No licensed photograph yet. Photographs are published only when their licence permits it.

Identity

Chassis number4BP7
ModelRolls-Royce Phantom IV
CoachbuilderH.J. Mulliner
AuthenticationHistorically documented
2

Why this car matters

The 15th Phantom IV, H.J. Mulliner design no. 7368, built under the code name “Baron Montaigne” for Princess Margaret. A US collector later owned three of the 18 Phantom IVs, including this one.

How rare is it?

Model rarityNot yet assessed
Specification rarityNot yet assessed
Colour rarityNot yet assessed
Individual rarityNot yet assessed
Historical rarityNot yet assessed
Survival rarityNot yet assessed

Each kind of rarity is rated separately and never combined.

History & provenance

Ownership, competition, restoration and sales, in date order.

  1. 1954
    Delivery Limousine by H.J. Mulliner, delivered to Princess Margaret.1
  2. 2021
    Auction Sold at RM Sotheby’s “A Passion for Elegance”, lot 110. 2,255,000 CHF2

Known modifications

None documented. Have a source? Contribute it.

Technical specifications

Values specific to this car. The general specification is on the model page.

No car-specific values recorded – see the model page for the Phantom IV specification. Have a source? Contribute it.

Sources

Each number links to the exact facts it supports.

  1. 1
    1954 Rolls-Royce Phantom IV Limousine 'Princess Margaret' by H.J. Mulliner (A Passion for Elegance, 2021) Level C RM Sotheby's · 2021
    • Delivered to Clarence House in July 1954 for Princess Margaret (Lot description)
    Accessed 2026-11-11
  2. 2
    1954 Rolls-Royce Phantom IV Limousine “Princess Margaret” by H.J. Mulliner Level C RM Sotheby’s
    • CHF 2,255,000 – Sold
    • “Chassis number 4BP7 was the 15th Phantom IV produced”
    Accessed 2026-11-11