I pulled a amethyst with no serial number. Thought I'd share a pic
https://www.ebay.com/itm/266309277317?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=rqqYryMZRqa&sssrc=2524149&ssuid=rqqYryMZRqa&var=&widget_ver=artemis&media=COPY
Nice pullhttps://www.ebay.com/itm/266309277317?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=rqqYryMZRqa&sssrc=2524149&ssuid=rqqYryMZRqa&var=&widget_ver=artemis&media=COPY
This is the 2nd refractor card I have seen without a number, the other being a gold LTC refractor