This chip is already listed on the "ChipGuide" (images courtesy of them):

Before I left on vacation, I printed out the list of items from the Casablanca Casino from the "ChipGuide".

I went up to the cage and asked them if they had any of the more unusual items. When they saw this chip:

They told me that these chips were promotional items. They were given out in a keychain where the chip was removable, and a small bag. They went into the back and gave me one:

They also told me that this jeton was not from their casino:

However, when they opened the cash drawer to double- check for the jeton, I saw they had plaques and was able to buy a couple:

The "ChipGuide" came through again - well done to all those that work on it!!!