PokémonCloyster
Cloyster · Mystery of the Fossils · # · Normal

Cloyster Mystery of the Fossils #— Raw NM price

Mystery of the Fossils · Normal · Japanese · Uncommon

Raw Near Mint market price$1.86Supported by recent sales · 3 in 30 days+1.6% past 30 daysUngraded eBay sales: median $15.00 of the last 1
Price date
Oct 14, 2026
Last Near Mint sale
Oct 8, 2026
Lowest listing (all printings)
$0.00
Sellers (all printings)
80
Normal · Near Mint on TCGplayer
Raw NM$1.8680 sellers
Ungraded sales$15.001 sales
PSA 9$44.002 sales
PSA 8$30.001 / week
PSA 7$37.201 / week
CGC 10$30.004 sales
CGC 9.5$41.001 sales

Price history

Cloyster price history. Nov 1, 2025 to Oct 14, 2026. Missing values are left as gaps.$1.6$1.8$2.0$2.2$2.4Nov 1Jan 26Apr 23Jul 19Oct 14
24H
0.0%
7D
+0.5%
30D
+1.6%
90D
-8.8%
6M
-8.8%

Price evidence

Supported by recent sales · 3 in 30 days

Raw Near Mint checks

CheckValueLimitResult
TCGplayer market price reported$1.86—Shown
Near Mint sales, last 30 / 90 days3 / 20At least 1 in 90 days, for this printingPass
Near Mint ÷ best of Lightly/Moderately Played1.8× ($1.86 vs $1.02)≤ 3× unless this printing's Near Mint sold in 90 daysPass
Change vs prior 30-day median1.01× ($1.86 vs $1.84)Within 2× unless Near Mint soldPass
Change vs previous price1.00× ($1.86 vs $1.86 on Oct 13, 2026)+75% / −45% unless Near Mint sold that weekPass

Check Normal · Near Mint listings on TCGplayer

TCGplayer sales activity, last 90 days

DateConditionSalesMarket price that day
Oct 11, 2026Heavily Played1$0.53
Oct 10, 2026Near Mint1$1.87
Oct 8, 2026Lightly Played1$1.02
Oct 8, 2026Near Mint1$1.87
Oct 5, 2026Heavily Played1$0.55
Oct 5, 2026Lightly Played1$1.03
Oct 4, 2026Lightly Played1$1.02
Oct 2, 2026Heavily Played1$0.31
Sep 30, 2026Heavily Played1$0.31
Sep 30, 2026Near Mint1$1.84
Sep 26, 2026Near Mint1$1.85
Sep 23, 2026Moderately Played1$0.67
Sep 22, 2026Lightly Played1$1.01
Sep 18, 2026Moderately Played1$0.64
Sep 13, 2026Moderately Played1$0.64
Sep 10, 2026Near Mint1$1.83
Sep 7, 2026Near Mint1$1.95
Sep 4, 2026Near Mint1$1.97
Sep 3, 2026Moderately Played1$0.65
Sep 3, 2026Near Mint1$1.97
Aug 31, 2026Lightly Played1$1.01
Aug 28, 2026Lightly Played1$1.04
Aug 26, 2026Lightly Played1$1.03
Aug 26, 2026Moderately Played1$0.49
Aug 25, 2026Moderately Played1$0.50
Aug 25, 2026Near Mint1$1.97
Aug 24, 2026Near Mint1$1.97
Aug 23, 2026Lightly Played1$1.04
Aug 22, 2026Near Mint1$2.00
Aug 19, 2026Near Mint1$2.02
Aug 13, 2026Heavily Played1$0.31
Aug 11, 2026Near Mint1$2.03
Aug 8, 2026Moderately Played1$0.50
Aug 7, 2026Lightly Played1$0.90
Aug 6, 2026Lightly Played1$0.92
Aug 5, 2026Near Mint2$2.03
Jul 29, 2026Damaged1$0.20
Jul 29, 2026Heavily Played1$0.31
Jul 29, 2026Lightly Played1$0.92
Jul 29, 2026Moderately Played1$0.51
Jul 29, 2026Near Mint1$2.08
Jul 26, 2026Damaged2$0.20
Jul 26, 2026Heavily Played2$0.31
Jul 26, 2026Lightly Played2$0.91
Jul 26, 2026Moderately Played2$0.49
Jul 26, 2026Near Mint2$2.08
Jul 24, 2026Damaged3$0.19
Jul 24, 2026Heavily Played3$0.31
Jul 24, 2026Lightly Played1$0.91
Jul 24, 2026Moderately Played3$0.49
Jul 24, 2026Near Mint2$2.08
Jul 19, 2026Damaged3$0.20
Jul 19, 2026Lightly Played1$0.92
Jul 19, 2026Moderately Played3$0.50
Jul 19, 2026Near Mint1$2.06

Ungraded sales · Normal

Median of the last 1: $15.00
SoldListingCondition in titlePrice
Mar 24, 26Pokémon TCG Cloyster 1997 Mystery of The Fossils Japanese · eBay—$15.00

Full price guide

Raw by condition

ConditionMarket price
Near Mint$1.86
Lightly Played$1.02
Moderately Played$0.70
Heavily Played$0.53
Damaged$0.17
Ungraded eBay sales (median of last 1)$15.00

As of Oct 14, 2026

Graded

GradeMarket priceBased onProvider estimateSalesLast sale
PSA 9$44.00$33.002Aug 29, 26
PSA 8$30.00$30.001Oct 5, 26
PSA 7$37.20$37.201Oct 5, 26
PSA 6$25.00$25.001Jul 13, 26

Sold listings

22 sales · Normal · eBay · Fanatics
SoldGradeListingFormatPrice
Oct 5, 26PSA 71997 Pokemon Japanese Fossil Cloyster #91 PSA 7 NRMT · FanaticsAuction$37.20
Oct 5, 26PSA 81997 Pokemon Japanese Fossil Cloyster #91 PSA 8 NM-MT · FanaticsAuction$30.00
Oct 5, 26CGC 91997 Pokemon Japanese Fossil Cloyster #91 CGC 9 MINT · FanaticsAuction$14.40
Sep 28, 26CGC 9.51997 POKEMON JAPANESE THE MYSTERY OF THE FOSSILS CLOYSTER CGC 9.5 · eBayAuction$41.00
Sep 21, 26CGC 71997 Pokemon Japanese Fossil Cloyster #91 CGC 7 NRMT · FanaticsAuction$7.20
Sep 14, 26CGC 71997 Pokemon Japanese Fossil Cloyster #91 CGC 7 NRMT · FanaticsBuy It Now$18.00
Sep 14, 26CGC 8.51997 Pokemon Japanese Fossil Cloyster #91 CGC 8.5 NM-MT+ · FanaticsBuy It Now$17.00
Aug 31, 26CGC 71997 Pokemon Japanese Fossil Cloyster #91 CGC 7 NRMT · FanaticsAuction$7.20
Aug 29, 26PSA 91997 Pokemon Mystery of the Fossils JP Cloyster Uncommon #091 PSA 9 · eBayAuction$33.00
Aug 24, 26CGC 101997 Pokemon Japanese Fossil Cloyster #91 CGC 10 GEM MINT · FanaticsAuction$46.80
Aug 14, 26CGC 8.5Cloyster The Mystery Of The Fossils NM CGC 8.5 · eBayAuction$8.50
Jul 24, 26PSA 9Cloyster 091 - Mystery of the Fossils - PSA 9 MINT · eBayAuction$55.00
Jul 17, 26CGC 9Pokemon TCG Cloyster No.091 Mystery Of The Fossils CGC 9 Water Vintage Japanese · eBayAuction$9.87
Jul 13, 26PSA 6Pokémon Japanese 1997 Mystery of Fossils CLOYSTER #91 PSA 6 EX-MT · eBayAuction$25.00
Jul 4, 26CGC 5.51997 POKÉMON THE MYSTERY OF THE FOSSILS JAPANESE #091 CLOYSTER CGC 5.5 · eBayAuction$14.79
Jun 1, 26CGC 91997 Pokemon Japanese Fossil Cloyster #91 CGC 9 MINT · FanaticsAuction$12.00
Mar 30, 26CGC 101997 Pokemon Japanese Fossil Cloyster #91 CGC 10 GEM MINT · FanaticsAuction$25.20
Mar 24, 26UngradedPokémon TCG Cloyster 1997 Mystery of The Fossils Japanese · eBayBuy It Now · Best offer$15.00
Mar 10, 26cgc9_61997 Pokemon Japanese Fossil Cloyster #91 CGC 9.5 MINT+ · FanaticsBuy It Now$20.00
Feb 16, 26CGC 91997 Pokemon Japanese Fossil Cloyster #91 CGC 9 MINT · FanaticsAuction$14.40
Dec 22, 25CGC 101997 Pokemon Japanese Fossil Cloyster #91 CGC 10 GEM MINT · FanaticsAuction$30.00
Jul 28, 25CGC 101997 Pokemon Japanese Fossil Cloyster #91 CGC 10 GEM MINT · FanaticsAuction$21.60

Key facts

Raw Near Mint price
$1.86
Price date
Oct 14, 2026
30-day change
+1.6%
PSA 9 price
$44.00
Set
Mystery of the Fossils
Card number
—
Printing
Normal
Language
Japanese
Rarity
Uncommon
Card type
Pokemon
Stage
Stage 1
HP
50
Weakness
Lightning x2
Retreat cost
2
Pokédex number
91
Illustrator
Kagemaru Himeno
TCGplayer ID
575696

Raw Near Mint price history

WhenDatePriceChange to latest
LatestOct 14, 2026$1.86—
1 day earlierOct 13, 2026$1.860.0%
7 days earlierOct 7, 2026$1.85+0.5%
30 days earlierSep 14, 2026$1.83+1.6%
90 days earlierJul 16, 2026$2.04-8.8%
6 months earlierApr 15, 2026$2.06-9.7%
1 year earlier———

Attacks

  • [Water] [Water] Clamp 30

    Flip a coin. If heads, the Defending Pok?mon is now Paralyzed. If tails, this attack does nothing (not even damage).

  • [Water] [Water] Spike Cannon 30x

    Flip 2 coins. This attack does 30 damage times the number of heads.