Horsea of the Seafoam Islands

The market here is thin with only 2 UK sellers, so you'll need to price firmly and expect a slower sale. The cheapest listing at £19.36 is graded LP, so a cleaner copy should command more. Raw copies have actually sold for a median of £22.65 over the last 90 days—5 sales with the latest at £37.75 on 31 Aug—which sits above that £19.36 ask, so there's room to price competitively if your copy is in decent shape.

• CautionOnly 2 UK sellers, cheapest at £19.36. Thin market: price firmly, expect a slow sale.
• CautionThe cheapest copy (£19.36) is flagged: graded LP by the classifier. A clean copy can ask more.
• NotableRaw copies actually sell for £22.65 (5 UK sales in 90 days, latest £37.75 on 31 Aug); the cheapest ask is £19.36.