Alton-Bay, NH, Steamer Mount Washington

Front:
MTWASHINGTON I.. BOSTON MAINE R.RLINE. Alton Bay, N.H, Steamer Mount

Back:
One Cent for United States, and Island Possessions, Cuba, Canada and For Foreign. 6958 H.C. Leighton Co., Portland, Me. Manufacturers of Postal Cards. Made in Germany. N91248