i believe he made 4 of them. i don't know if he made the BTCPay server one. If so, then they're all his handiwork. Dude is a legend.
3 of 5 of those are nostr:npub1zj0q0eseamwn9er4drf3jl3kufc0fddsfrr0v54l2mlfqenah7ysxuy9th handiwork it appears. 🤌🏻
He’s dangerous with engraving. 
Discussion
I received one a year + ago via a Twitter give away. 🤣
That instance is what lead to the 300 Nostrica Tags.
#Plebchain History
oh noice. i didn't know that.
