npub17r59377cesxeaj2ngznxqjfpn9apay43cvgrchr5lfjnlmntzs8qdyd8n4 (npub17r5…d8n4) You can own/transfer them easily (relatively speaking) if it was registered before May 1986, but they cost like $10,000-$50,000 (finite supply, a lot of demand)
Anything afterwards can only be transferred between/manufactured by SOTs