||postally unused; caption: "American Egret and Young"; "FK.124-“General Florida Scene in Natural Color"; "Curteichcolor® 3-D Natural Color Reproduction (Reg. U. S. A. Pat. Off.)"; "American Egret and Young at Everglades National Park, Florida"; "America's youngest National Park, where trained guides conduct tours by airboat and cruiser to nearby islands, bay and other points. Vast flights of exotic and colorful birds gather here to feed and nest."; "8C-K2215"