An Alfa Romeo Matta should have been fully restored. However, our structured pre-purchase inspection (PPI) revealed a backlog of maintenance, hidden wear and tear, and a clear discrepancy between the initial impression and the technical reality.

Restored is not the same as inspected: Alfa Romeo Matta case study
If a Porsche 911 S is not a 911 S
A Porsche 911 offered as an S – actually a 911 T. Why documents aren't enough and how a structured pre-purchase inspection can clearly determine identity and value.
When vehicles are travelling and something goes wrong
Ferrari transport damage: How experts analyse damage, determine depreciation and professionally appraise collector's vehicles.

Mercedes Benz 300 SL at Artcurial Paris
Unrestored Mercedes 300 SL at Artcurial Paris: KUKUK examines the original condition, material behaviour and authenticity of an extraordinary vehicle.

When market prices meet proven substance
When Market Prices Meet Proven Substance: Case Study Ferrari 250 GT California Covered Headlights

Cold Case: BMW 328 MM - How our 2006 / 2007 originality investigation solved a Mille Miglia puzzle
When BMW Classic invites visitors to Villa Erba for the special exhibition "Mille Miglia BMWs" from 1940, one vehicle in particular takes centre stage: the BMW 328 MM Touring Barchetta (and the crease). Cold Case: BMW 328 MM - How our 2006 / 2007 originality investigation solved a Mille Miglia mystery

Cold Case SSK - How we unmasked a supposed Mercedes-Benz SSK and set new standards
What sounds like an exciting criminal case was one of the most complex vehicle investigations in the history of our engineering office - and the beginning of a new era in the authentication of historic vehicles.
