This is a Christmas postcard from the Sleepy Owl Supper Club that was sent to Edythe Mock in West Plains, Missouri from Gladys Dalke in Syracuse, Indiana. It was postmarked on December 23, 1939.
Transcript: Broadcasting Season's Greetings from the Sleepy Owl. The message on the back says "Dear Edythe: Hurry back - we still have our spelling bees and a lot of other parties. Best wishes, Gladys Dalke"
Syracuse-Wawasee Digital Archives
Sleepy Owl Supper Club
Further information on this record can be found at its source.