Postcard Camp Devens Mass. Provost Guard

Offering several of these Camp Devens unused postcards that date to about the 1917 WW1 era. Produced by Tichnor Bros. of Boston Mass. card is identified as "Provost Guard Searching Visitors, Camp Devens, Ayer, Mass.". Condition is very fine. Free shipping to anywhere in the U.S.A. See all my many great vintage and antique listings.