Automibile Party at Entrance to Riverton Park

Front:
B15 Portland, Me, Automobile Partyat entrance to Riverton Park

Back:
Placethe Stamp Here Sost Card One Cent for United States, and Island Possessions, Cuba, Canada and Mexico. Two Cents For Foreign. THIS SIDE MAY BE USED FOR CORRESPONDENCE THIS SPACE FOR ADDRESS ONLY THE HUGH C. LEIGHTON CO., MANUFACTURERS, PORTLAND, ME., U. S.A. MADE IN GERMANY. 5278