May you join Santa Claus in having a good time this Christmas.

No post mark.  No address.

“From Mrs. C. M. Grist [Mrs. Charles McKinley Griste — Ethel Koontz, Florence’s sister], Billy Koontz {William Peter Koontz, Florence’s brother], Henry Koontz [Henry Allen Koontz, Florence’s brother], and Mrs. Koontz [Phebie Ann Gardner Koontz, Florence’s mother].   Keep warm and a Mary [sic.] Ex [sic.] is the wish of all.”

Based on the postage requirement, the card dates prior to 1917 or between 1919 – 1951.  Since the from message is written very formally, it implies it is before Grandpa Lee and Grandma Florence were married (1918), but after Aunt Ethel and Uncle Charles were married (1913).