// MTG
Underground Sea (Revised Edition) #290Verified
Last updated 17/09/2026
Market value · ungraded · near mint
$890
9 real sales · range $750–$1,299Verified
Price trendmonthly median sold price
LiquidityTrades often2 sold in 60 days
Last sold2mo ago60-day median $805
Key facts
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UnsortedUngraded · Near mint
Real captured sales · monthly medians · hover a point
CGC 8.5$901$901$9011
CGC 8$1,050$1,020$9902
BGS 8$825$825$8251
BGS 5$692$692$6921
Ungraded · Near mint$1,299$890$7509
Ungraded · Played$850$764$62812
Ungraded · Damaged$800$700$6364
Unsorted$1,025$780$28774
$800
$810
$901
$776
$733
$875
$725
$800
$731
$779
$780
$735No captured sales in this grade yet.
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Verifiedreal sold salesEstimatedmarket snapshotNo data yetnever an invented number
A note on prices.Every value here is an estimate, drawn from public sales data and third-party sources. It's a guide, not a valuation or an offer, and it can be incomplete or out of date. Check an item yourself before you buy or sell. Grailsnap can't take responsibility for decisions made on these figures.Market price data sourced in part from PriceCharting.