Direct finds

Observed

  • Stone-and-timber wall
  • Burned building material and seeds
  • Gaulish spearhead
  • Sand-and-gravel platform

Field and laboratory results

Measured

  • Wall extends about 20 metres
  • Platform is nearly two metres thick
  • Wood samples date broadly to 200–10 BCE

Working interpretations

Inferred

  • A possible fortified Gaulish site
  • A possible rampart of Parisii Lutetia
  • A possible—but unproved—link to the fire reported for 52 BCE

The dating window

What the overlap means: 52 BCE lies within the measured interval. It does not, by itself, identify who built the wall or what caused the fire.