Pikachu ex

This is a fresh set at just 20 days old, so expect the market to soften over the next few weeks—Japanese Pokémon cards typically slide downward for the first three months after release. At £2.21, you're pricing it early in that window, which means there's a real risk of undercutting as more stock hits the market and the initial rush fades.

• CautionSet is 2 weeks old. Prices typically fall for the first three months after release.