Grass Energy

The reverse holo version is commanding 30× the price of the plain printing at £2.40 against £0.08, which is a substantial premium for what's essentially the same card. That gap tells you there's real collector demand for the holo treatment on this one, so if you're holding a reverse copy it's worth keeping an eye on—the plain version barely shifts, but the reverse should find a buyer at the trend price.

• NotableThis reverse holo printing is 30× the plain one (£2.40 vs £0.08).