Best Cards to Grade in Holon Research Tower
4 Holon Research Tower cards ranked by grading ROI. Groudon Star 056/86 leads at 8.7x ($458.00 raw vs $12,620.62 in PSA 10). Live prices, PSA gem rates and population.
ROI is the PSA 10 price against the raw price plus grading cost and PSA's value-tier upcharge, from live market prices and PSA population data. Cards are ranked highest ROI first.
| Rank | Card | Raw | PSA 10 | Gem rate | PSA 10 pop | ROI |
|---|---|---|---|---|---|---|
| 1 | Groudon Star 056/86 | $458.00 | $12,620.62 | 23.4% | 32 | 8.7x |
| 2 | Metagross Star 075/86 | $550.00 | $13,050.00 | 16.3% | 23 | 8.4x |
| 3 | Groudon Star 056/86 (First Edition Stamp) | $1,200.00 | $15,000.00 | 39.0% | 212 | 6.8x |
| 4 | Kyogre Star 028/86 | $1,332.00 | $12,374.29 | 20.7% | 28 | 5.3x |