Text reads:
"Walt Disney
Donald Duck
Old Sequoia
In Technicolor
Distributed by RKO Radio Pictures, Inc."
Comment: Whoever designed this cachet had a sense of humor! This cover designer has done similar first day covers linking the title of an old Disney cartoon classic with the subject of a modern stamp.
Unknown Designer First Day Cover Using Disney (Donald Duck) Design
Muir was previously honored with a 5 cent postage stamp in 1964.