Empoleon

The cheapest copy has been sitting unsold for 8 days at £24.57, so you'll want to undercut that to move first. Bear in mind that one is graded HP, so a cleaner example can command more money. The low ask jumped 29.3% from £19.00 in the last crawl, and most UK stock is played — 82% of the 11 listings on the market. You're looking at asks ranging from £24.57 to £55.30, with the median at £55.30, so that bottom listing is 56% under the middle.

• NotableThe cheapest copy has sat unsold 8 days at £24.57. Undercut it to move first.
• CautionThe cheapest copy (£24.57) is flagged: graded HP by the classifier. A clean copy can ask more.
• NotableCheapest UK ask rose 29.3% since the last crawl (£19.00 → £24.57).
• Notable82% of the UK listings are played copies (9 of 11); a Near Mint copy is the scarce one.
• NotableUK asks run from £24.57 to a £55.30 median; the cheapest is 56% under the middle.
• Notable3rd most valuable card in Diamond & Pearl (of 126 priced).