Young Artist with his George Washington, Real Photo Postcard modern I have a hard time

I have a hard time resisting beautiful old school slates made with real slate and jointed corners like this one

Outside box measures 10"l x7"d x4"t

I'm guessing this whimsical whimsy once had at least a couple of more parts

as I would do

its bottom side

Young Artist with his George Washington, Real Photo Postcard modern I have a hard timeSuch a wonderful image I think, with this most earnest looking young artist, paintbrush and palette in hand, appearing in deep contemplation as to the whether to add one more touch to his George Washington! And I just love how George is propped on the chair, paint box open in front of him, and curtain artfully drawn behind him. An all American portrait of the artist as a young man! 3 1 2" x 5 1 2" and in good condition. There is a bit of water