- Card Name
- Koby (Treasure Cup)
- Current Price
- $353.97
- Set
- One Piece Promotion Cards
- Game
- One Piece
- Rarity
- Common
- Card Number
- OP02-098
- Variant
- Foil
- Finish
- foil
- Era
- Modern
- Type
- normal
- PSA 10 Price
- $720.00
- PSA 9 Price
- $437.00
- Volatility
- Moderate
- Last Updated
- June 8, 2026
Grading & Population Snapshot
- PSA Total Population
- 32
- PSA 10 Population
- 30
- PSA 10 Chance
- 0.9%
- Grade Difficulty
- Very Hard
- PSA 10 Value
- $720.00
- Estimated PSA 10 Market Cap
- $21,600
| Period | Change |
|---|---|
| 30d | +4.7% |
| 90d | +1.8% |
Raw & Graded Price Snapshot
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $353.97 | 0.0% | +4.7% | N/A |
| PSA 10 | $720.00 | N/A | N/A | See sold listings |
| PSA 9 | $437.00 | N/A | N/A | See sold listings |
PSA 10 Gem Rate: 0.9% (32 total graded)
Grading premium: PSA 10 is worth 103% more than raw.
Marketplace Price Comparison
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $353.97 | Blended market value | View price history |
| TCGPlayer | $353.97 | Marketplace price | Check listings |
Sources tracked: tcgplayer_market, justtcg.
How Guardian Calculates This Price
Guardian combines marketplace prices, recent sold listings, graded-card estimates, and cross-market checks into one daily card value. We separate raw and graded prices where data is available, ignore obvious outliers, and update card pages as new market data arrives.
Track, Grade, or Sell This Card
- Add this card to your collection to track value over time.
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Track Koby (Treasure Cup) price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
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Koby (Treasure Cup) in Other Sets
Cards in Similar Price Range
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Related Pages
- Koby (Treasure Cup) Price Chart & History
- Koby (Treasure Cup) Sold Comps & Sales History
- Cards Similar to Koby (Treasure Cup)
- Koby (Treasure Cup) Investment Analysis
- Koby (Treasure Cup) PSA 10 vs PSA 9 vs Raw — Grade Value Comparison
- Is Koby (Treasure Cup) worth grading?
- Should you grade Koby (Treasure Cup)? — Full analysis
- Koby (Treasure Cup) Condition Prices (LP/MP/HP)
- Koby (Treasure Cup) PSA Population Report
- One Piece Promotion Cards Set Price Guide
- One Piece Hub
- One Piece Price Guide
- Common One Piece Cards
- Most Expensive One Piece Cards
- Best Cards Under $250
- One Piece Market Movers Today
- Scan Your Cards
- AI Card Grading
- Grading ROI Calculator
- Card Value Checker
- Where to Sell One Piece Cards
Frequently Asked Questions
How much is Koby (Treasure Cup) from One Piece Promotion Cards worth?
Koby (Treasure Cup) from One Piece Promotion Cards is currently worth $353.97 in 2026. Prices are updated daily from multiple sources.
Is Koby (Treasure Cup) worth grading?
Koby (Treasure Cup) has a 0.9% gem rate (chance of PSA 10). A PSA 10 is worth $720.00 compared to $353.97 raw. The low gem rate means only pristine copies should be submitted.
How rare is Koby (Treasure Cup) in One Piece Promotion Cards?
Koby (Treasure Cup) is a Common card from the One Piece Promotion Cards set in One Piece. 32 copies have been graded by PSA.
Is Koby (Treasure Cup) going up in value?
Koby (Treasure Cup) has decreased 0.0% in the last 7 days and increased 4.7% in 30 days. Current Guardian Estimate: $353.97.
How many Koby (Treasure Cup) have been PSA graded?
32 copies of Koby (Treasure Cup) have been submitted to PSA for grading. The PSA 10 gem rate is 0.9%. PSA 10 copies currently sell for $720.00.
Where can I buy Koby (Treasure Cup)?
You can compare prices and buy Koby (Treasure Cup) on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $353.97.
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How much is Koby (Treasure Cup) from One Piece Promotion Cards worth?
Koby (Treasure Cup) from One Piece Promotion Cards is currently worth $353.97 in 2026. Prices are updated daily from multiple sources.
Is Koby (Treasure Cup) worth grading?
Koby (Treasure Cup) has a 0.9% gem rate (chance of PSA 10). A PSA 10 is worth $720.00 compared to $353.97 raw. The low gem rate means only pristine copies should be submitted.
How rare is Koby (Treasure Cup) in One Piece Promotion Cards?
Koby (Treasure Cup) is a Common card from the One Piece Promotion Cards set in One Piece. 32 copies have been graded by PSA.
Is Koby (Treasure Cup) going up in value?
Koby (Treasure Cup) has decreased 0.0% in the last 7 days and increased 4.7% in 30 days. Current Guardian Estimate: $353.97.
How many Koby (Treasure Cup) have been PSA graded?
32 copies of Koby (Treasure Cup) have been submitted to PSA for grading. The PSA 10 gem rate is 0.9%. PSA 10 copies currently sell for $720.00.
Where can I buy Koby (Treasure Cup)?
You can compare prices and buy Koby (Treasure Cup) on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $353.97.