Pokémon sets › Japanese Jet-Black Spirit › Siebold
Siebold #91
Medium confidence 25th most valuable of 94 priced cards in Japanese Jet-Black Spirit
Solid guide price from market data — liquid, well-sampled card, thinner Japanese market data.
Priced against the UK market and refreshed weekly — adjusted where UK collectors reliably pay above the US average. We have not yet seen enough recent UK activity for this card to read it directly.
A PSA 10 of this card sells for about 3.5× the ungraded price — £2.83 raw against £10.01 graded.
Peaked at £2.89 in July 2026; lowest £2.81 in August 2026. PSA 10 moved -1.1% over a comparable period.
UK price month by month
| Month | UK ungraded |
|---|---|
| July 2026 | £2.89 |
| August 2026 | £2.83 |
UK guide prices, with the US market alongside — updated 29 August 2026. Each market is priced from real market data in that market. Estimates for collection tracking — not an appraisal or a quote.
Check recent UK sold prices on eBay →
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