The cachets in this post were part of the collection of noted philatelist Ken Lawrence, who assembled a rather neat collection of interesting Disney related postal items. Note the cancellation marks on the envelope: Mickey Texas; Mousie Kentucky; Donald Wisconsin; and Duck North Carolina.
Some of the more novel items in the Lawrence colleciton included an envelope bearing a cancel from the French town that was the origination of Disney's surname, Isigny, France:
as well as a cancel from the town of Disney, Nebraska:
Other interesting cachets featured 1930s ink stamped images of Disney characters, hand drawn illustrations of Mickey and Donald and even an item with a postal cancel showing the date and city of Walt Disney's birth, December 5, 1901, Chicago.