CGC Population Report: Holon Research Tower Water Quarter Deck
37 cards graded by CGC · 4 gem 10s · census updated 2026-07-07
| Card | Total pop | Gem 10 | Gem rate | CGC 10 value | Raw value |
|---|---|---|---|---|---|
 Vaporeon ex#3 | 31 | 1 | 3.2% | $959.00 | $44.40 |
 Eevee#7 | 4 | 2 | 50.0% | $140.00 | $12.32 |
 Marill#4 | 2 | 1 | 50.0% | — | — |
About this report
This population report shows how many copies of each Holon Research Tower Water Quarter Deck card CGC has graded, how many earned a perfect 10, and what those grades are worth today. A low gem rate means the card is hard to grade well — which is exactly what drives CGC 10 premiums. Census data updates monthly; values update nightly. Click any card for its full price history, every grade’s value, and population across all grading companies.