Here are some duplicate samples for sale. Maybe you could use a few?

The small logo Paulson is pretty old. Likewise the CJ Sisk chips.

The hotstamped Charcoal sample is part of a set of all the colors in inlaid chips. The clay has the metallic sparkles that were present on some chips 15-20 years ago.

The $1000 yellows have rinted specs on the reverse.

The Mikohn Safejack chip has RF circuitry, the kind used at the first Ballys, Las Vegas trial.

Top four rows are $4 each.
Next row is $5 each.
Bottom row, the Hunt and Safejack, are $15 each