This is really cool. This page shows everything they found. The slider on the right represents the date from when the item originated. Drag it down to see the really old stuff:
https://belowthesurface.amsterdam/en/vondsten
Here's the project background:
https://belowthesurface.amsterdam/en/pagina/de-opgravingen-index
https://belowthesurface.amsterdam/en/vondsten
Here's the project background:
https://belowthesurface.amsterdam/en/pagina/de-opgravingen-index