Bouquet of roses and flowers — in a blue vase — Universal Postal Union

Description

Color illustration of a bouquet of red roses, white lilies, and small blue flowers in a blue vase decorated with gold, on a black background. Reverse: handwritten date of 25/12/57, sent to 'Monsieur' in Paris, with a note about 31 or 32 postcards and a question about aviation stamps from 1910 to 1930. French postmark visible at the bottom left.