Character
The red enamel plaque
The face on the door is a die-struck enamel plaque, not a cartoon pasted over a listing photo. Navy rim. Hanging tab. It is the shop mark because it is also the product.
Scientific American splits steel that holds a magnet from steel that does not. Test the fridge door before you buy a wall of letters. Kids letters, office chips, and a whiteboard are other jobs. They share a magnet. They do not share this face.