

From €1.50. Free shipping from €40 in France.
View of the Observatory in Parc Monceau, with a man walking on a path in the foreground. Printed text at the bottom: 'Parc Monceau — The Observatory'. Reverse: address to Madame Henriette Chamin, 51 avenue Henri-Martin, Paris (16th), with a 10-centime postage stamp and a postmark from Paris dated 17 May 1916.