BN refers to Bibliotheque Nationale, rue de Richelieu. The chess set supposedly belonged to Charlemagne. The silver trove dates from the first century apres J.C.

The rest were taken from the bus, and on foot, as I went from Place d'Italie to Port Royal, then walked through the Observatoire parc to Luxembourg. There was an enormous manif going on. You can get an idea of how crowded the metro was by the blurry shot of people getting off at Montparnasse.

Most of these appeared faint on my machine, so I decreased the brightness and increased the contrast.