Originally Posted by zombietooth

Yes, I was in Biz class. Sorry, I referred to it with the old "C" for connoisseur class designator instead of J in my post. I only showed my boarding pass which clearly indicated Business Class, no 1K card was shown (I don't even carry it anymore).

Must have been a training issue, but it was with two different persons, the check-in agent and the lounge greeter. So, I really hit the bad luck version of "The Daily Double" with the pair that I interacted with.