
Siebold (Japanese)
S6K: Jet-Black Spirit · 091/070 · Hyper Rare
Current Prices
Number
091/070
Rarity
Hyper Rare
Variant
Holofoil
Market
US (TCGplayer)
Last Updated
Jun 9, 2026
What Is Siebold (Japanese) Worth?
Siebold (Japanese) (Holofoil variant) is a secret rare — one of the hardest pulls in S6K: Jet-Black Spirit, card number 091/070. On PokeCardWorth we focus on one question — what is it actually worth — and at its current valuation, it sits in the budget range, so it is an accessible addition for most collectors.
Siebold (Japanese) Value Breakdown
As of 2026, Siebold (Japanese) (S6K: Jet-Black Spirit, 091/070) is worth around $3.06 in Near Mint condition. A PSA 10 (Gem Mint) example is valued near $13.56 — about 4.4x the raw price, which is the single biggest swing in this card's value. PSA 9 copies sit around $8.50.
Is It Worth Grading Siebold (Japanese)?
Grading Siebold (Japanese) can pay off concretely: the gap between its raw value ($3.06) and a PSA 10 ($13.56) is about $10.50 — a 4.4x uplift before grading fees. Other graded tiers we track: PSA 9 $8.50. Only grade a budget card like this if it is flawless and you plan to hold long-term.
Detailed Price Breakdown
| Source | Condition / Grade | Average | Low | High | Sales |
|---|---|---|---|---|---|
| ebay | NEAR MINT | $6.99 | $6.99 | $6.99 | 6 |
| ebay | PSA 10 | $13.56 | $13.56 | $13.56 | 1 |
| ebay | PSA 9 | $8.50 | $8.50 | $8.50 | 2 |
| tcgplayer | NEAR MINT | $3.06 | $3.06 | $3.06 | 6 |
Is Siebold (Japanese) a Good Buy?
Secret rares like Siebold (Japanese) are naturally scarce, which underpins long-term value. Upside is modest; the main reason to hold is enjoyment and set-building. Whatever you decide, recheck Siebold (Japanese)'s value on PokeCardWorth before buying or selling — the 2026 market shifts with set releases, nostalgia cycles, and demand.





