B&W Photo Postcard High School Belmond Iowa 1919(?)

Black & white Photo Postcard--High School, Belmond, Iowa.  Mod./max. wear to edges/corners/surfaces(see scan).  One large and one smaller diagonal crease on right side of photo (to the right of the building--see scan). Dampstain along right edge(see scan).  Cancelled 1 cent stamp affixed upside down on reverse.  Postmark unclear--1919? 1913?   Dampstaining/soiling around edges on reverse (see scan).  Much of message and address peeled away after having been mounted in a photo album and subsequently removed (see scan).