Raw, it’s a $11.23 card. Slabbed as a PSA 10 it sells for 165× that, and PSA has only ever handed out 3 of them.
| March 2023 · 1 sale · median $787 · −74% vs Dec | ||||
| 7 | eBay | 2008 Pokemon Diamond & Pearl Black Star Promo DP26 Dialga PSA 10 Gem Mint Pop 3 | −74% | $787 |
| December 2022 · 1 sale · median $3,000 | ||||
| 23 | eBay | 2008 Pokemon Diamond & Pearl Dialga Holo Black Star Promo DP26 PSA 10 Pop 3 | — | $3,000 |