Letter Card - O sold prices & eBay comps · Price chart
- Card Name
- Letter Card - O
- Current Price
- $0.40
- Price Range
- $0.20 – $0.60
- Set
- Secret Lair Countdown Kit
- Game
- Magic: The Gathering
- Rarity
- Special
- Era
- Modern
- Type
- Normal
- Volatility
- Stable
- Last Updated
- July 30, 2026
| Period | Change |
|---|---|
| 24h | +2.6% |
| 30d | -23.5% |
| 90d | -26.4% |
Raw & Graded Price Snapshot
| Condition / Grade | Price | 7d | 30d | Recent Sales |
|---|---|---|---|---|
| Raw / Ungraded | $0.40 | 0.0% | -23.5% | N/A |
Marketplace Price Comparison
| Source | Price | Basis | Action |
|---|---|---|---|
| Guardian Estimate | $0.40 | Blended market value | View price history |
| TCGPlayer | $0.42 | Marketplace price | Check listings |
Sources tracked: tcgplayer_market.
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.
- Check grading ROI before submitting to PSA, BGS, or CGC.
- Compare selling options for Magic: The Gathering cards.
- Scan another card for instant identification and pricing.
Track Letter Card - O price trends, view grading values, and get market alerts on Guardian TCG. Updated daily with data from multiple sources.
More Cards from Secret Lair Countdown Kit
Secret Lair Countdown Kit: An Encyclopedia of Magic Book Club Bundle — $558.49
Urza's Saga (Halo Foil) — $481.95
Secret Lair: 30th Anniversary Countdown Kit — $325.29
Secret Lair Countdown Kit: An Encyclopedia of Magic — $280.92
Chrome Mox — $186.03
Sol Ring (Halo Foil) — $179.15
Phyrexian Altar (Halo Foil) — $121.92
Myrel, Shield of Argive (Halo Foil) — $98.20
Brain Freeze (Halo Foil) — $92.05
Llanowar Elves (Halo Foil) — $88.36
Related Pages
- Letter Card - O Price Chart & History
- Letter Card - O Sold Prices & eBay Comps
- Cards Similar to Letter Card - O
- Letter Card - O Investment Analysis
- Letter Card - O Condition Prices (LP/MP/HP)
- Secret Lair Countdown Kit Set Price Guide
- Magic: The Gathering Hub
- Magic: The Gathering Price Guide
- Special Magic: The Gathering Cards
- Most Expensive Magic: The Gathering Cards
- Best Cards Under $5
- Magic: The Gathering Market Movers Today
- Scan Your Cards
- AI Card Grading
- Grading ROI Calculator
- Card Value Checker
- Where to Sell Magic: The Gathering Cards
Frequently Asked Questions
How much is Letter Card - O from Secret Lair Countdown Kit worth?
Letter Card - O from Secret Lair Countdown Kit is currently worth $0.40 in 2026. Prices are updated daily from multiple sources.
What is Letter Card - O Special worth?
The Special version of Letter Card - O from Secret Lair Countdown Kit is worth $0.40. Special cards are among the most collectible pulls in the set.
How rare is Letter Card - O in Secret Lair Countdown Kit?
Letter Card - O is a Special card from the Secret Lair Countdown Kit set in Magic: The Gathering.
Is Letter Card - O going up in value?
Letter Card - O has decreased 0.0% in the last 7 days and decreased 23.5% in 30 days. Current Guardian Estimate: $0.40.
Where can I buy Letter Card - O?
You can compare prices and buy Letter Card - O on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.40.
Trending Right Now
- LeBron James [Essential Credentials Future 1/1] (2003 E-X) — $892835.94
- Mike Trout [Chrome Prospects Autographs Superfractors 1/1] (2009 Bowman Draft Picks & Prospects) — $1824003.80
- Stephen Curry [Rookie Patch Autograph (RPA) Century Gold /25] (2009 National Treasures) — $649505.00
- Shohei Ohtani [Clear] (2025 Topps) — $1250000.00
- Kobe Bryant [Refractor] (1996 Topps Chrome) — $1120158.20
- Illustrator Pikachu (Pokemon Japanese Promo) — $1079036.20
- Babe Ruth [Red] (1933 Goudey) — $2496710.20
- Ty Cobb [Sweet Caporal 150/30 Portrait - Green] (1909 T206) — $830031.40
- Jim Thorpe [Football] (1933 Goudey Sport Kings) — $1432681.20
- Honus Wagner [Sweet Caporal 150/30] (1909 T206) — $4132718.20
- Michael Jordan [Emblems of Endorsement] (2003 Exquisite Collection) — $1084868.90
- Luka Doncic [Rookie Patch Autograph (RPA) Logoman 1/1] (2018 National Treasures) — $1947005.90
- Basketball Card Prices
- Flesh & Blood Card Prices
- Pokemon Japanese Market Report
7-Day Top Movers
- Persian GX (Double Blaze) — $14.99 (+497.2% this week)
- Rayquaza EX (Dream Shine Collection) — $154.08 (+478.8% this week)
- M Gallade EX (Emerald Break) — $12.29 (+464.9% this week)
- Centiskorch VMAX (Explosive Walker) — $5.55 (+460.6% this week)
- Team Aqua's Kyogre EX (Pokemon Korean Double Crisis) — $493.29 (+448.7% this week)
- Pikachu (Pokemon Chinese s8a) — $6.00 (+421.3% this week)
- Tyrantrum #46 (Pokemon Japanese Forbidden Light) — $5.00 (+418.0% this week)
- Tauros (Entry Pack DPt) — $10.95 (+416.5% this week)
How much is Letter Card - O from Secret Lair Countdown Kit worth?
Letter Card - O from Secret Lair Countdown Kit is currently worth $0.40 in 2026. Prices are updated daily from multiple sources.
What is Letter Card - O Special worth?
The Special version of Letter Card - O from Secret Lair Countdown Kit is worth $0.40. Special cards are among the most collectible pulls in the set.
How rare is Letter Card - O in Secret Lair Countdown Kit?
Letter Card - O is a Special card from the Secret Lair Countdown Kit set in Magic: The Gathering.
Is Letter Card - O going up in value?
Letter Card - O has decreased 0.0% in the last 7 days and decreased 23.5% in 30 days. Current Guardian Estimate: $0.40.
Where can I buy Letter Card - O?
You can compare prices and buy Letter Card - O on TCGPlayer, eBay, and CardMarket. Guardian TCG tracks live prices from all three sources — current Guardian Estimate: $0.40.