Not examined out of the frames. The sheets appears to be hinged in places along the reverse edges to the underlying mounts. The sheets undulate slightly. The sheets are slightly yellowed along the extreme edges. (i) There is paper tape visible in the upper left corner. The sheet is free floating to the left side. (ii, iii) There is paper tape visible in the upper right corners. The sheets are free floating to the right sides. Subject to the foregoing, it is in our view that this work appears to be in overall very good condition.