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Cloyster #91

Japanese Mystery of the Fossils
Release Date June 21, 1997Card Number #91Notes Uncommon
Ungraded
€2.46
 
Grade 9
€24.95
 
PSA 10
€271.39
 

Cloyster #91 price guide

Current sold value for every grade.
Ungraded€2.46
Grade 2€5.34
Grade 3€6.23
Grade 4€7.12
Grade 5€8.01
Grade 6€16.02
Grade 7€19.58
Grade 8€24.65
Grade 9€24.95
Grade 9.5€33.51
SGC 10€162.83
CGC 10€42.88
PSA 10€271.39
BGS 10€353.25
BGS 10 Black€1,766
CGC 10 Pristine€77.41

Recent sales

Individual completed sales, newest first (Ungraded).
7 Oct 2026~ Pokémon Pocket Monsters ~ Japanese Cloyster No 091 Fossil 1997 ~ Card MP ~ (1) JapaneseeBay€3.49
3 Oct 2026Cloyster 91 Uncommon Mystery of the Fossils Pokemon Japan JP MP Japanese #91eBay€2.66
14 Sept 2026CLOYSTER NO. 091 - LP - MYSTERY OF THE FOSSILS UNCOMMON JAPANESE POKEMON CARD Japanese #No. 091eBay€2.56
4 Sept 2026Cloyster Mystery of the Fossils Japanese LP-NM pokemon card JapaneseeBay€2.44
4 Sept 2026Pokemon TCG - Cloyster - Japanese - Mystery of the Fossils - No.091 - NM Japanese #091eBay€1.56
2 Sept 2026Cloyster NO. 091 UC Fossil Japanese Pokemon Card Japanese #No. 091eBay€2.46
28 Aug 2026Pokémon Cloyster Mystery of the Fossils 091 Regular Uncommon Japanese 1996 Japanese #091eBay€1.33
27 Aug 2026Cloyster Pokemon Japanese Fossil JapaneseeBay€1.74
14 Aug 2026Cloyster NM NO. 091 Fossil Pokemon Non Holo Uncommon Japanese US SELLER Japanese #No. 091eBay€3.55
12 Aug 20261997 Heavily Played Pokemon Cloyster No. 091 Fossil Japanese Japanese #No. 091eBay€1.67
9 Aug 2026Japanese Pokemon Cloyster Mystery of the Fossils MPeBay€1.77
9 Aug 2026HP/DMG Cloyster 091 Pokemon Japanese Fossil (Mystery of the Fossils) Card Japanese #091eBay€1.42
7 Aug 2026Cloyster NO. 091 Uncommon Fossil Pokemon Japanese NM/M Japanese #No. 091eBay€2.66
5 Aug 20261997 Moderately Played Pokemon Cloyster No. 091 Fossil Japanese Japanese #No. 091eBay€2.65
3 Aug 2026Japanese Pokémon TCG: Fossil Set - Cloyster #091 - LP-Fast Shipping!! Japanese #091eBay€1.50
1 Aug 2026Cloyster NO. 091 Uncommon Fossil Pokemon Japanese Moderately Played Japanese #No. 091eBay€0.89
26 Jul 2026Cloyster Fossil No. 091 vintage Old back Japanese Pokemon Card From Japan Japanese #091eBay€2.89
26 Jul 2026POKEMON - CLOYSTER NO. 091 - FOSSIL - JAPANESE EXC-NM Japanese #No. 091eBay€4.74
23 Jul 2026The Pokémon Company Pokémon TCG Mystery of the Fossils Cloyster 091 Unc 1996 JP Japanese #091eBay€0.77
21 Jul 20261997 Heavily Played Pokemon Cloyster No. 091 Fossil Japanese Japanese #No. 091eBay€1.67
20 Jul 2026Cloyster No. 091 Mystery of the Fossils Japanese Pokemon Card TCG Pocket Monster Japanese #No. 091eBay€2.62
18 Jul 2026Cloyster Fossil No. 091 vintage Old back Japanese Pokemon Card From Japan Japanese #091eBay€3.78
9 Jul 20261997 Moderately Played Pokemon Cloyster No. 091 Fossil Set Japanese JapaneseeBay€2.39
7 Jul 2026Cloyster Fossil No. 091 vintage Old back Japanese Pokemon Card From Japan Japanese #091eBay€2.66
6 Jul 20261997 Light Played Pokemon Cloyster No. 091 Fossil Set Japanese JapaneseeBay€3.54

How much is Cloyster #91 (Japanese Mystery of the Fossils) worth?

Right now an ungraded copy of Cloyster #91 from Japanese Mystery of the Fossils sells for about €2.46, a PSA 9 for about €24.95 and a PSA 10 for about €271.39. These values are based on 73 recent completed sales, the latest on 7 Oct 2026. Prices are converted from US dollars to euros and updated every few hours.

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