Youve got the otherworldly Regi trio, which experimented with an unusual rock/ice/steel dynamic
Pull rate from Regular Packs: 1.66% The estimated pull rate for Espeon ex (Wisdom of Sea and Sky) from a Regular Pack is approximately 1.66%, meaning you might need to open around 61 Regular Packs to obtain it
1998 Japanese Promo Silver 2nd-2nd Tournament #2 Trophy Pikachu Sold for $444,000 in September 2023 With so many of Pokmons rarest cards dating back to its earliest tournaments, few come rarer than the Pikachu No.2 Silver Trophy card
A card has a 9% chance of being upgraded to a Glossy Finish, and a 1% chance for a Royal Finish
If you want a clean copy that you can grade, it will cost serious cash, with LP sales posted at $500 while an NM card sold for $1,2000, leaving plenty of upside for this Mew.