Three Light Boxes for One Wall

this one in ultramarine blue (Pantone #2955)
Signed and numbered on label on verso of one box
Small box: 23 1/2 x 31 1/2 x 3 1/2 inches
Medium box: 31 1/2 x 31 1/2 x 3 1/2 inches
and Large box: 39 x 31 1/2 x 3 1/2 inches
(Inventory #19398)