Greylock Rest and Grounds

Front:
ΙΠΠ Greylock Rest, Adams, Mass. ΤΑ Π Π

Back:
216060 Pub. by The Leighton and Valentine Co., New York City. THROUGHOUT FAMOUS QUALITY POST & TRADE MARK. MESSAGE MAY BE WRITTEN ON THIS SIDE. THE WORLD 3- One Cent for United States and Island Possessions, Cuba, Canada and for Foreign. 24189. /o/