This classic U.S. stamp, issued in 1934, features the portrait of John James Audubon, the renowned ornithologist, naturalist, and painter celebrated for his landmark work The Birds of America. Printed in green, the 1¢ denomination served as part of the National Parks series, highlighting notable American figures. At the lower left, a bird illustration pays tribute to Audubon’s lifelong dedication to wildlife study and preservation. A fine collectible for philatelists interested in American history, natural sciences, and classic U.S. definitives, this issue remains a cherished piece of 20th-century philately.