The product is a vintage Real Photo Postcard (RPPC) featuring Shanghai, China's Bund Park from the era of 1925-1942. The postcard depicts a scene of the park in Shanghai, showcasing the city's skyline and architecture. This collectible item is from the Topographical Postcards category, specifically focusing on cities and towns in China. The postcard is unposted, allowing it to be a unique and authentic piece of historical memorabilia from Shanghai's past.