... when I tried to purchase one from the cage that was shown to me when I presented a color copy of the chip ... I was told by the cage supervisor that it was a back up chip and he could lose his job if he sold it to me.

The second source is a well-known former Bud Jones representative who lives not too far from me and who has provided me with scans of the secondary set of many BJ chips in A.C. Below is another one.

As for the concentric circles ... most of the Playboy back up chips have concentric circles ... so what is your point?