Here  is the the most accurate  water decal for a Swedish American  wood wall telephone that was ever made.  Very Colorful . Most of the Swedish American wooden wall phones used these. 

Measurements are approx  2 1/4"

                                                  Water decal instructions

                           Soak it in warm water for 3 minutes in a cup or saucer  

                                    Slide off paper backing onto the substrate  

                                Remove bubbles with your fingers and smooth out 

                                                    Let dry over night.