RM2E298HK–Portion of Plate b41215 of Halley's comet taken on April 21, 1910 from Arequipa, Peru with the 8-inch Bache Doublet, Voigtlander. The exposure was 30 minutes
RMJAE34B–Barricades of the Paris Commune, April 1871. Corner of the Place de Hotel-de-Ville and the Rue de Rivoli.