1955 Aston Martin DB2/4 Mk II Drophead Coupé
- Engine
- 3.0L inline-six (VB6J), 140 bhp
- Colour
- Black two-tone with beige hood

Chassis AM300/1101 is the prototype and first example of the Aston Martin DB2/4 Mk II, as well as the first production Aston Martin bodied at the Newport Pagnell Tickford works, making it a landmark in the marque's history under David Brown. Originally a factory demonstrator, it is equipped with the 3-litre VB6J engine producing 140 bhp and features dual exhaust. One of only 15 Mk II drophead coupés built from a total run of 199, it was fully restored by Roos Engineering in 2001–2002 and is presented in its original two-tone black livery with beige hood and red leather interior.
Ownership
- —Auction saleEstimate €550,000 – €650,000
- → 1956-08-01Factory deliveryAston Martin works (demonstrator)partial documentation
Chassis AM300/1101 began life as a factory demonstrator, serving as the prototype for the Mk II model line.
- 1956-08-01 →Acquisition unknownC.P.G. Engelbachpartial documentation
First private owner; no details given on how long ownership lasted or how the car was disposed of.
- 1965-10-01 →Private saleLt. Col. John Madisonpartial documentation
New York state resident who purchased the car via south London dealership Keen & Partners; retained ownership for over thirty years.
- → 2003Acquisition unknownSwiss private ownerpartial documentation
Owner based in Switzerland; commissioned a complete restoration by Roos Engineering, completed in 2002, with invoices retained on file.
- 2003 →Private saleCurrent owner (via Swiss dealer)partial documentation
Acquired through a Swiss dealer following the completed restoration; has maintained the car in its restored condition and driven it recently.
Competition
No competition history extracted from the catalogue.
Maintenance & restoration
- 2001RestorationRoos Engineering
Comprehensive full restoration commissioned and carried out, returning the car to its original specification with two-tone black exterior, beige hood, and red leather interior. Financial records for this work are held with the car.
Work concluded in 2002.
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