The product is a set of four semi-postal stamps from the Netherlands, issued in 1936. These stamps feature a colorful design with a child welfare theme, and are of mint condition or very good quality with a high catalog value. The surtaxes from these stamps were used to support child welfare programs in the Netherlands. These stamps offer collectors a glimpse into the history and culture of the Netherlands and its colonies during the early 20th century, making them a desirable addition to any stamp collection.