These Polymerbit notes were a private order made by forum member Agrawas as a surprise gift to all individuals who appeared at a dinner on one of the nights during Bitcoin 2022 Conference in Miami, FL.
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I was fortunate enough to have been at that dinner, and got one of these. I can attest that they are top quality and completely up to spec with the other Polymerbit notes.
They were by far the most makeshift note we've made in a long time. But I'm glad you liked them! Personally, I enjoyed the challenge.