This sheet of 50 Scott 1547 stamps features the topic of energy conservation and has a face value of $5.00. The stamps are mint never hinged and ungraded, making them a great addition to any stamp collection. The multi-color stamp design showcases the importance of science in the effort to conserve energy. These stamps are from the United States and have a denomination of 10 cents. Get your hands on this unique sheet of stamps today!