Lab TCG
Koffing (Secret)

Koffing (Secret) 243/236

SM - Cosmic Eclipse • Secret Rare • Holofoil

$38.75↑ +$0.92 (+2.4%) this week
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Koffing (Secret) 243/236 from SM - Cosmic Eclipse has a current TCGplayer market price of $38.75. It is up +4.2% over the past 30 days. A PSA 10 copy is valued around $350.00. At current prices, grading a top-grade copy looks worthwhile.

Price Snapshot

Market
$38.75
Low
$30.98
Mid
$41.36
High
$288.18
7-Day:+$0.92 (+2.4%)
30-Day:+$1.57 (+4.2%)
2026-08-29
2026-09-05
$38.75$38.52$38.29$38.06$37.83Aug-26Sep-26
TCG Current
$38.75
Change
+$0.92 | +2.4%
Low
$37.83
High
$38.75

Where to Buy

TCGPlayer$38.75
Buy Now
eBay$350.00PSA 10 comps
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TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for slabs. Links may earn us a commission at no cost to you.

Graded Prices

PSA 10
$350.00
PSA 9
$80.00
PSA 8
—

Should you grade it?

Worth grading
Net if it 10s
+$236.75
ROI
+349.4%

From $38.75 raw to $350.00 in a PSA 10, after ~$25 grading, tracked shipping, and eBay fees. Grades below 10 return less — most cards need a realistic 10 to profit. Not financial advice.

Other cards in SM - Cosmic Eclipse

View full set →
Koffing (Secret) 243/236 — SM - Cosmic Eclipse Price & Value · The Lab TCG