This 0.45 franc French postage stamp, issued in 1969, features the magnificent Église de Brou, located in Bourg-en-Bresse. The church, built in the early 16th century, is a masterpiece of late Gothic architecture, commissioned by Margaret of Austria in memory of her husband, Philibert II, Duke of Savoy. The stamp artwork captures the intricate façade, detailed stonework, and the steep red-tiled roof under a serene blue sky. Designed by artist Pierre Bétemps, it highlights one of France’s most beautiful historical monuments, making it a prized addition for collectors interested in architectural themes.