In one of the interior frames, a glass key was inset. As were the other objects, it was only visible when the whole was unfolded.
Would there be any way that this key or a copy of it would fit the object without a key that -- although it currently resided on her own studio table -- belonged to Major Knox, Caydance wondered as she pulled into a dirt driveway that led to a vegetable stand and bought summer squash and tomatoes to accompany dinner and ripe white peaches and figs for dessert.