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Japanese Holon Research Tower PSA Population Report

2005 · 142 cards · 18,916 grades counted · data from September 20, 2026

The PSA population report for Japanese Holon Research Tower counts 18,916 grades across 142 cards as of September 20, 2026. 6,741 of those grades are PSA 10s, a set-wide gem rate of 35.6%. The table lists every card of this set in GemRate's public PSA population tracking, with PSA 10 and PSA 9 counts, total grades, and per-card gem rate.

  • Most graded: Umbreon-Holo (1st Edition) #069, 1,091 total grades.
  • Fewest PSA 10s: Dragonair #035, 9 PSA 10s out of 28 graded.
  • Hardest to gem: Metagross-Holo (Gold Star) #075, a 16.1% gem rate across 143 grades.
#CardPSA 10PSA 9Total gradedGem rate
001 Weedle1st Edition 6 4 11 n/a
002 Kakuna1st Edition 10 6 16 n/a
003 Zubat1st Edition 8 6 16 n/a
003 Zubat 0 2 2 n/a
004 Golbat1st Edition 10 3 13 n/a
004 Golbat 0 1 1 n/a
005 Koffing1st Edition 8 7 15 n/a
006 Weezing1st Edition 2 1 3 n/a
007 Ditto [Bulbasaur]1st Edition 48 56 148 32.4%
007 Ditto [Bulbasaur] 9 11 31 29.0%
009 Illumise1st Edition 1 1 2 n/a
010 Beedrill-Holo1st Edition 122 76 266 45.9%
010 Beedrill-Holo 27 21 66 40.9%
011 Crobat-Holo1st Edition 128 92 274 46.7%
011 Crobat-Holo 28 31 83 33.7%
012 Ditto [Charmander]1st Edition 42 82 163 25.8%
012 Ditto [Charmander] 9 25 40 22.5%
013 Larvitar1st Edition 30 34 69 43.5%
013 Larvitar 9 7 16 n/a
014 Pupitar1st Edition 22 8 37 59.5%
014 Pupitar 7 1 8 n/a
015 Sunny Castform1st Edition 5 2 7 n/a
016 Bagon1st Edition 19 20 43 44.2%
016 Bagon 3 8 13 n/a
017 Shelgon1st Edition 9 14 31 29.0%
017 Shelgon 4 3 7 n/a
018 Flareon-Holo1st Edition 188 314 691 27.2%
018 Flareon-Holo 35 65 139 25.2%
019 Mewtwo-Holo1st Edition 280 310 926 30.2%
019 Mewtwo-Holo 70 88 286 24.5%
020 Tyranitar-Holo1st Edition 209 201 584 35.8%
020 Tyranitar-Holo 34 51 141 24.1%
021 Salamence-Holo1st Edition 167 135 386 43.3%
021 Salamence-Holo 26 49 103 25.2%
022 Slowpoke1st Edition 25 19 51 49.0%
022 Slowpoke 7 5 16 n/a
023 Staryu1st Edition 5 6 13 n/a
023 Staryu 1 0 1 n/a
024 Ditto [Squirtle]1st Edition 39 73 151 25.8%
024 Ditto [Squirtle] 15 23 48 31.3%
025 Slowking1st Edition 4 8 14 n/a
025 Slowking 0 1 2 n/a
026 Rain Castform1st Edition 1 1 2 n/a
027 Snow-Cloud Castform1st Edition 2 0 2 n/a
028 Kyogre-HoloGold Star-1st Edition 238 141 582 40.9%
028 Kyogre-HoloGold Star 28 34 137 20.4%
029 Starmie-Holo1st Edition 107 104 281 38.1%
029 Starmie-Holo 17 31 58 29.3%
030 Vaporeon-Holo1st Edition 256 253 693 36.9%
030 Vaporeon-Holo 61 60 176 34.7%
031 Holon's Voltorb1st Edition 16 8 28 57.1%
031 Holon's Voltorb 0 1 1 n/a
032 Holon's Electrode-Holo1st Edition 40 24 80 50.0%
032 Holon's Electrode-Holo 7 10 19 n/a
033 Ditto [Pikachu]1st Edition 69 125 300 23.0%
033 Ditto [Pikachu] 12 42 74 16.2%
034 Dratini1st Edition 26 30 71 36.6%
034 Dratini 7 9 24 n/a
035 Dragonair1st Edition 31 23 63 49.2%
035 Dragonair 9 15 28 32.1%
036 Beldum1st Edition 10 10 28 35.7%
036 Beldum 6 5 15 n/a
037 Metang1st Edition 15 12 28 53.6%
037 Metang 3 1 7 n/a
038 Jolteon-Holo1st Edition 242 279 727 33.3%
038 Jolteon-Holo 44 81 178 24.7%
039 Dragonite-Holo1st Edition 249 236 698 35.7%
039 Dragonite-Holo 41 79 176 23.3%
040 Metagross-Holo1st Edition 172 115 356 48.3%
040 Metagross-Holo 33 42 88 37.5%
041 Latias-Holo1st Edition 261 238 709 36.8%
041 Latias-Holo 35 56 145 24.1%
042 Latios-Holo1st Edition 230 262 704 32.7%
042 Latios-Holo 39 57 122 32.0%
043 Rayquaza-Holo1st Edition 343 266 845 40.6%
043 Rayquaza-Holo 45 59 181 24.9%
044 Drowzee1st Edition 11 7 19 n/a
044 Drowzee 5 4 9 n/a
045 Hypno1st Edition 4 1 5 n/a
046 Ditto [Mr. Mime]1st Edition 32 63 118 27.1%
046 Ditto [Mr. Mime] 9 7 19 n/a
047 Ralts1st Edition 10 5 15 n/a
047 Ralts 1 3 5 n/a
048 Kirlia1st Edition 10 3 17 n/a
048 Kirlia 0 2 2 n/a
049 Espeon-Holo1st Edition 327 304 905 36.1%
049 Espeon-Holo 59 85 205 28.8%
050 Gardevoir-Holo1st Edition 182 159 451 40.4%
050 Gardevoir-Holo 37 48 113 32.7%
051 Sandshrew1st Edition 4 5 10 n/a
051 Sandshrew 1 2 4 n/a
052 Cubone1st Edition 10 9 24 n/a
052 Cubone 2 1 3 n/a
053 Ditto [Geodude]1st Edition 37 52 117 31.6%
053 Ditto [Geodude] 8 6 18 n/a
054 Makuhita1st Edition 2 3 5 n/a
054 Makuhita 1 2 3 n/a
055 Hariyama1st Edition 1 0 1 n/a
056 Groudon-HoloGold Star-1st Edition 212 125 534 39.7%
056 Groudon-HoloGold Star 32 28 137 23.4%
057 Sandslash-Holo1st Edition 106 86 232 45.7%
057 Sandslash-Holo 13 19 38 34.2%
058 Marowak-Holo1st Edition 133 77 269 49.4%
058 Marowak-Holo 12 25 44 27.3%
059 Meowth1st Edition 26 11 38 68.4%
059 Meowth 4 10 18 n/a
060 Persian1st Edition 0 3 3 n/a
061 Ditto1st Edition 47 45 108 43.5%
061 Ditto 9 5 18 n/a
062 Porygon1st Edition 7 7 15 n/a
063 PORYGON21st Edition 4 2 6 n/a
064 Taillow1st Edition 8 6 14 n/a
064 Taillow 0 5 6 n/a
065 Swellow1st Edition 0 3 3 n/a
066 Azurill1st Edition 7 5 12 n/a
066 Azurill 1 0 2 n/a
067 Castform1st Edition 1 0 1 n/a
068 Poochyena1st Edition 3 3 6 n/a
068 Poochyena 0 0 1 n/a
069 Umbreon-Holo1st Edition 341 328 1,091 31.3%
069 Umbreon-Holo 47 100 285 16.5%
070 Mightyena-Holo1st Edition 118 82 252 46.8%
070 Mightyena-Holo 17 17 44 38.6%
071 Holon's Magnemite1st Edition 10 6 17 n/a
071 Holon's Magnemite 1 0 2 n/a
072 Holon's Magneton-Holo1st Edition 62 22 103 60.2%
072 Holon's Magneton-Holo 7 7 18 n/a
073 Eevee1st Edition 85 70 185 45.9%
073 Eevee 30 14 59 50.8%
074 Skarmory1st Edition 13 3 18 n/a
075 Metagross-HoloGold Star-1st Edition 219 112 522 42.0%
075 Metagross-HoloGold Star 23 30 143 16.1%
076 Holon Transceiver1st Edition 10 1 13 n/a
077 Holon Scientist1st Edition 1 0 1 n/a
078 Holon Researcher1st Edition 3 2 5 n/a
078 Holon Researcher 1 0 1 n/a
079 Holon Mentor 1 1 2 n/a
080 Holon Farmer 0 2 2 n/a
081 Holon Lass1st Edition 4 9 14 n/a
081 Holon Lass 0 2 2 n/a
082 Holon Research Tower1st Edition 3 1 4 n/a
086 Holon Energy WP1st Edition 1 0 1 n/a

Gem rate is PSA 10s as a share of total grades, shown only for cards with at least 25 total grades; smaller samples say almost nothing about real gem odds. Source: GemRate public PSA population tracking, refreshed with every BetterPop data pull. Figures on this page regenerate on every site build.

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