I love these letters because of how light and cheerful they are to look at. The thin and thick lines add a sense of stability with room for play and goofiness without being over the top. It is the perfect amount of seriousness and playfulness.
One of the Art Deco Fonts from a book about the Art of Handlettering for decoration and window display. Published in the end of the or the (Modèles de lettres modernes par Georges Léculier & Nouvel album d’enseignes à l’usage des peintres par L.