Hi, stopping by on a random visit to the forum.
Coblee's gold 1000 BTC Casascius coins are legit. They are 2factor. I sold them to him when we met up in San Jose for one of the earliest Bitcoin conferences (I'd like to say May 2013)? Without looking at my records, my eyeball's recollection was 20 to 30 coins. He got the single largest delivery of the gold blanks that I had made up in the first place, and in exchange, I got a ride in his tesla (and some random looking digits added to this blockchain thing out there on the interwebs). I just didn't sell very many of the completed coin at the premium price I was asking, and the more 1000 BTC became worth, the more even trusting ("testing") the 2factor system for the 1st time with your hard mined 1000 BTC becomes a heartstopping leap of faith. So that's why I made them available that way to Coblee. I am pretty sure I made no more than 50 of the gold coins.
That's amazing to hear it from your side and to see that you're still here watching some stuff