Hmmm I wonder if putting chip scans on cards would be legal? I guess if I asked for quote they would shut me down if there was a problem. When I had some custom stamps made they were worried about who the persons were in the photo I wanted on the stamps.

https://shuffledink.com/custom-playing-cards/?utm_source=bing&utm_medium=cpc&utm_campaign=*%2520Competitors%2520%252F%2520Branded&utm_term=bicycle%2520personalized%2520cards&utm_content=*%2520Bicycle%2520-%2520Personalized