United States, Stampless, 1945 Soldier's Free Frank on PPC.  "Free" written in postage box, military return address, OGDEN / OCT 14 / 1945 / UTAH CDS & wave, addressed to St. Louis, MO.  Reverse: color linen PPC, caption at top: "115 - U.S. Mint and Colfax Ave., Denver, Colo." and bottom caption: "Showing City and County Building, Library, North End of Civic Center, Capitol and Cathedral", corner crease, F-VF.