Team Aqua's Carvanha

This reverse holo is commanding a serious premium—the plain copy sits at £0.42 while the reverse fetches £4.29, nearly 10.2× the price. UK sellers are all over the map though: the cheapest ask is £3.31, which undercuts the median of £7.63 by 57%, so there's real room for negotiation or bargain-hunting depending which end you're trading at.

• NotableThis reverse holo printing is 10.2× the plain one (£4.29 vs £0.42).
• NotableUK asks run from £3.31 to a £7.63 median; the cheapest is 57% under the middle.