

From €1.50. Free shipping from €40 in France.
Panoramic view of the Paris Observatory with its domes, built from 1667 to 1671 according to Perrault's plans under Louis XIV, with the Panthéon and Val-de-Grâce visible in the background. The reverse side features correspondence dated 13-9-15 to the École Supérieure de Paris, sent to Madame Cordex, with a green 5-franc stamp and a Paris postmark.