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Gengar #031 – Mystery of the Fossils

Most valuable Gengar #031 $238.27

Pokémon TCG · Japanese · JP-PMCG3

Mystery of the Fossils (Japanese) card list

Released June 21, 1997 48 cards

Card list
48 cards
Prices
$0.43 to $238.27 on TCGplayer
Most valuable
Gengar #031, $238.27
Set value
$937.33 · €727.27
Release date
June 21, 1997

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About Mystery of the Fossils

Mystery of the Fossils (Japanese) is a Pokémon TCG set released on June 21, 1997, worth about $937.33 on TCGplayer and €727.27 on Cardmarket in total: the sum of the market prices of its 48 priced cards. It has 48 cards. The most valuable is Gengar #031 at $238.27 on TCGplayer, and 32 of its 48 market-priced cards are under $5. Its 5 most valuable cards make up 66% of its market value. At the median, Cardmarket prices are 2.7% higher than TCGplayer’s (15 of 30 cards worth $1 or more on both markets are cheaper in Europe). Prices updated November 12, 2026.

Mystery of the Fossils in numbers

FigureValueSource
Total value (USD)$937.33Sum of the Near Mint TCGplayer market prices of 48 cards, one per card; lowest listings left out, nothing converted (Sparkl’s set-value definition)
Total value (EUR)€727.27Sum of the Near Mint Cardmarket price trends of 48 cards, one per card; lowest listings left out, nothing converted (Sparkl’s set-value definition)
Cards in the set48Sparkl catalog
Most valuable cardGengar #031 · $238.27TCGplayer market price, Near Mint
Cards under $532 of 48Near Mint TCGplayer market price; Cardmarket converted where TCGplayer has none; cards priced only by a lowest listing left out
Value in the top 5 cards66% (top 10: 84%)Share of the set’s market value held by its most valuable cards, 48 market-priced cards (TCGplayer; Cardmarket converted where TCGplayer has none), computed by Sparkl
Cardmarket vs TCGplayer+2.7% (median)30 cards with a market price at $1 or more on both markets, 15 cheaper on Cardmarket; euros converted at $1.1081
ReleasedJune 21, 1997Sparkl catalog
Prices updatedNovember 12, 2026Retrieval date of the TCGplayer and Cardmarket prices

Mystery of the Fossils prices by rarity

RarityCards pricedMedianMost valuable
Rare Holo16$32.00Gengar #031 · $238.27
Uncommon16$1.64Slowbro #028 · $2.79
Common16$0.73Psyduck #010 · $4.49

Near Mint market prices in dollars: TCGplayer, or Cardmarket converted where TCGplayer has none; lowest listings left out. Medians computed by Sparkl.

Most valuable cards in Mystery of the Fossils

  1. Gengar #031 – Mystery of the Fossils Gengar#031 · Rare Holo $238.27 · €173.47
  2. Mew #033 – Mystery of the Fossils Mew#033 · Rare Holo $168.03 · €75.98
  3. Dragonite #043 – Mystery of the Fossils Dragonite#043 · Rare Holo $137.46 · €103.54
  4. Haunter #030 – Mystery of the Fossils Haunter#030 · Rare Holo $39.39 · €25.85
  5. Moltres #009 – Mystery of the Fossils Moltres#009 · Rare Holo $36.03 · €50.08
  6. Articuno #023 – Mystery of the Fossils Articuno#023 · Rare Holo $36.02 · €42.47
  7. Raichu #024 – Mystery of the Fossils Raichu#024 · Rare Holo $34.30 · €25.85
  8. Ditto #042 – Mystery of the Fossils Ditto#042 · Rare Holo $32.50 · €23.23
  9. Zapdos #026 – Mystery of the Fossils Zapdos#026 · Rare Holo $31.50 · €24.91
  10. Lapras #022 – Mystery of the Fossils Lapras#022 · Rare Holo $29.77 · €24.24

Near Mint market prices on TCGplayer and Cardmarket, ranked by the TCGplayer market price (Cardmarket converted where TCGplayer has none); a card priced only by a lowest listing is not ranked, updated November 12, 2026.

Set value

$937.33TCGplayer market prices · 48 cards
Jun 202690 daysNov 2026
Cardmarket price trends€727.27
Cards under $532 of 48
Value in the top 5 cards66%

Mystery of the Fossils card list

Track this set in Sparkl

All 48 printings in set order, with finishes and current market prices.

#CardRarityFinishesTCGplayerCardmarket
001EkansCommonNormal$0.81€0.58
002ZubatCommonNormal$0.59€0.71
003GrimerCommonNormal$0.78€0.79
004ArbokUncommonNormal$1.94€2.20
005GolbatUncommonNormal$0.92€1.54
006WeezingUncommonNormal$1.32€1.19
007MukRare HoloHolo$11.56€7.80
008MagmarUncommonNormal$1.83€1.61
009MoltresRare HoloHolo$36.03€50.08
010PsyduckCommonNormal$4.49€3.68
011TentacoolCommonNormal$0.51€0.77
012ShellderCommonNormal$0.71€0.67
013KrabbyCommonNormal$0.61€0.32
014HorseaCommonNormal$0.74€0.48
015OmanyteCommonNormal$0.94€0.79
016GolduckUncommonNormal$2.08€2.38
017TentacruelUncommonNormal$1.06€1.47
018CloysterUncommonNormal$1.73€2.01
019KinglerUncommonNormal$1.29€1.32
020SeadraUncommonNormal$1.92€2.22
021OmastarUncommonNormal$1.15€2.29
022LaprasRare HoloHolo$29.77€24.24
023ArticunoRare HoloHolo$36.02€42.47
024RaichuRare HoloHolo$34.30€25.85
025MagnetonRare HoloHolo$13.47€9.91
026ZapdosRare HoloHolo$31.50€24.91
027SlowpokeCommonNormal$1.77€1.95
028SlowbroUncommonNormal$2.79€3.67
029GastlyUncommonNormal$2.07€4.29
030HaunterRare HoloHolo$39.39€25.85
031GengarRare HoloHolo$238.27€173.47
032HypnoRare HoloHolo$17.97€13.93
033MewRare HoloHolo$168.03€75.98
034GeodudeCommonNormal$0.75€1.16
035KabutoCommonNormal$1.06€1.01
036SandslashUncommonNormal$1.44€1.55
037GravelerUncommonNormal$0.97€1.94
038GolemUncommonNormal$1.55€2.34
039HitmonleeRare HoloHolo$21.43€30.58
040KabutopsRare HoloHolo$22.45€22.99
041AerodactylRare HoloHolo$25.12€17.14
042DittoRare HoloHolo$32.50€23.23
043DragoniteRare HoloHolo$137.46€103.54
044Energy SearchCommonNormal$0.58€0.42
045GamblerCommonNormal$0.62€0.69
046Mysterious FossilCommonNormal$0.59€0.67
047RecycleCommonNormal$0.43€0.53
048Mr. FujiUncommonNormal$2.02€8.06

Prices: Near Mint prices from TCGplayer (USD) and Cardmarket (EUR). Updated November 12, 2026.

Graded prices from PSA, CGC, BGS, SGC, TAG and ACE, PSA population counts and recent sold listings are in Sparkl Pro.

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