These chips had another crude paper inlay over the inlay you mentioned. It should have looked like the pic below. I understand they were supposed to be backup chips that were never used and were subsequently sold at Franks Museum, Carson City.

I recently bought a quantity of chips from the lady who was the museum curator (when it was open) including real and 'souvenir' chips. I have them with the inlay & missing.

Not all the Harrahs rlts are listed. I got a quantity of all those as well.

There were not that many left of any of the chips in the lot I bought but we have no way of knowing which and how many were sold at the museum. Some of the genuine chips will be scarce, others not so. TCR probably needs some updating. When the chips arrive here I will be posting and offering at fair prices. Hope you didnt pay too much