Remember that POP 11 means that 11 people chose to grade it, not that there are only 11 copies of the card in existence.
The set was released when some of the lowest amount of product was being printed, but keep in mind this card is part of the theme deck bulbapedia.bulbagarden.net/wiki/James_(TCG) so it’s not particularly rare.
It’s funny to see things in full circle…
www.elitefourum.com/t/ebay-trade-secret-1-tnolan0816/20107/1