This commemorative stamp from France, issued in 1981, features the elegant Château de Sully in Rosny-sur-Seine, a historic château located in the Île-de-France region near the Seine River. The finely engraved design by artist Albert Decaris highlights the château’s classical French architecture with its distinctive towers, mansard roofs, and landscaped surroundings. Printed in rich brown, blue, and green tones, the stamp captures the refined style of French heritage issues. It forms part of France’s tradition of celebrating historic monuments and architectural treasures, making it a desirable piece for collectors interested in European architecture and cultural landmarks.