Yes, the final lot includes the cancelled die(s). Yes fingerprinters were clearly placed by the Treasurer and the pressman - it's in the video https://abcnews.go.com/GMA/Living/penny-short-us-mints-final-1-cent-coins/story?id=127465330
Have any of the 230 1794 dollar “commemoratives” from a year ago resold? They mostly went for around $35k. This is the same shtick.