It’s 3 signs in one! We don’t know much about this particular sign aside from our friend Mike Meyer finding it in an antique store before gifting it to the Museum. The sign is designed through a version of lenticular printing where two or more (in this case 3) images are printed onto different sides of a 3D element so that the seemingly 2D image changes as the viewer moves by it. While still a fun design trick today, American companies were making signs like this all the way back to the late 180