This card was sent on the 20th of December,1909 to wish Herr Stoltz a Happy New Year. The child on the front is carrying a giant 100 Mark note.
The message reads:
Your friend from home sends you a thousand greetings and kisses. Wish you and the Lutz Family good fortune and blessings in the New Year. I hope to get a card to read soon. Work in Marckirch is very bad. Best Wishes Georges Scherdel
According to this genealogy website for Sainte-Marie-Aux-Mines, Joseph Lutz and Adele Stoltz married in June of 1899. Adolf may have moved to the United States with them shortly thereafter.