Well, this trend never quite caught on, I thought it was a fantastic idea. In fact, I still think it’s a great idea. These postmark NBA debut inserts were made for NBA rookies and were postmarked in the city and team from whom they played. The postmark was from their NBA debut and features an actual postage stamp has been hand-canceled by the US Postal Service. Yes, not as cool as an MLB debut or NBA, rookie patch cards, it still commemorates the actual date, time, and location of their first NBA game.