Linen postcard of Morning Glory Pool, Yellowstone National Park, the blue hot spring framed by orange mineral banks and evergreens. Haynes No. 16049, "Copyright by Haynes Inc., Yellowstone Park, Wyoming," printed by Curteich-Chicago as a C.T. Art-Colortone card, code 4A-H281. Standard size about 5.5 x 3.5 inches. Light corner and edge wear and a small mark at the left edge of the front; written and posted.

Posted with a green one-cent George Washington stamp, Yellowstone Park, Wyo. machine cancel dated August 25, 1950, 10 AM. Headed "Aug. 24 - Mammoth, Wyo." and addressed to Mr. and Mrs. J. F. Grigg, R.F.D. #3, Greenville, Illinois. Lois & Jack write that they are in Yellowstone on the second day of their 4-day vacation, stayed at Jackson Hole the night before, saw the Tetons and Old Faithful, and have had fine weather.

The printed back caption describes the pool as filled with pure water over 200 degrees, 23 feet across and about 29 feet deep.