THIS IS OUSIDE (LEFT) HINGED EDGE WHERE THE TWO HALF SIDES COME TOGETHER AT THE BINDING . AS YOU CAN SEE THE BINDING HAS SPLIT AND THE TWO SIDES HAVE SEPERATED . THE ALBUM WAS NOT IN GREAT SHAPE WHEN IT CAME TO ME AND I HAVE GONE THROUGH AND PLACED ALL THE PHOTOGRAPHS AND OTHER ITEMS IN THE SAME ARCHIVAL STORAGE ITEMS THAT ARE USED BY NARA AND THE IN.C.P.R.-A .