I haven't seen an Akro Salesman's Sample Box come to open market in 20 years. Back then a good box was selling for $12,000.+ Probably well north of that now. They are salted away in long-term collections.
May I recommend pulling the camera back so the marble comes into focus and the exposure is more realistic?
The trend of posting pics where the marble is the size of say - Saturn causes the image to lose realism, focus and makes it tougher to ID.