| Sep 10, 26 | PSA 9 | 2025 Pokemon Prismatic Evolutions Seaking 021 Master Ball Reverse Holo PSA 9 MIN · eBay | Auction | $19.99 |
| Sep 7, 26 | CGC 10 | 2025 Pokemon Scarlet & Violet Prismatic Evolutions Master Ball Holo Seaking #21 CGC 10 PRISTINE · Fanatics | Auction | $14.40 |
| Aug 27, 26 | PSA 9 | 2025 Pokemon SV Prismatic Evolutions Master Ball Reverse Holo Seaking #21 PSA 9 MINT · Fanatics | Buy It Now | $22.00 |
| Aug 26, 26 | PSA 10 | 2025 POKEMON PRISMATIC EVOLUTIONS SEAKING #021 MASTER BALL REVERSE HOLO PSA 10 · eBay | Auction | $139.00 |
| Jul 30, 26 | CGC 9 | Pokemon Seaking (Master Ball Pattern) 021/131 Prismatic Evolutions Holo CGC 9 · eBay | Auction | $1.25 |
| Jul 29, 26 | PSA 10 | 2025 POKEMON PRISMATIC EVOLUTIONS SEAKING #021 MASTER BALL REVERSE HOLO PSA 10 · eBay | Auction | $92.00 |
| Jul 23, 26 | PSA 10 | 2025 SEAKING MASTER BALL REVERSE HOLO PRISMATIC EVOLUTIONS POKEMON PSA 10 #021 · eBay | Auction | $112.51 |
| Jul 19, 26 | PSA 10 | Pokemon Seaking Prismatic Evolutions 021/131 Master Ball Reverse Holo PSA 10 · eBay | Auction | $132.51 |
| Jul 13, 26 | PSA 8 | Pokemon Prismatic Evolutions #021 Seaking Master Ball Reverse Holo PSA 8 NM-MINT · eBay | Auction | $18.88 |
| Jul 13, 26 | PSA 9 | Pokémon TCG Seaking 021/131 Master Ball Holo PSA 9 Prismatic Evolutions 2025 · eBay | Buy It Now · Best offer | $20.00 |
| Jun 23, 26 | PSA 10 | PSA 10 Seaking Master Ball Reverse Holo #021 - Prismatic Evolutions - GEM MINT · eBay | Buy It Now · Best offer | $106.30 |
| Jun 17, 26 | PSA 10 | POKEMON 2025 Prismatic Evolutions Masterball Holo SEAKING #021 PSA 10 Gem Mint · eBay | Auction | $150.00 |
| May 11, 26 | CGC 9 | 2025 Pokemon Scarlet & Violet Prismatic Evolutions Master Ball Holo Seaking #21 CGC 9 MINT · Fanatics | Auction | $7.20 |
| May 11, 26 | PSA 9 | PSA 9 MINT 2025 Pokemon Prismatic Evolutions SEAKING #021 Master Ball Reverse · eBay | Buy It Now · Best offer | $29.99 |
| May 11, 26 | PSA 10 | POKEMON 2025 Prismatic Evolutions Masterball Holo SEAKING #021 PSA 10 Gem Mint · eBay | Auction | $94.99 |
| May 8, 26 | PSA 10 | POKEMON 2025 Prismatic Evolutions Masterball Holo SEAKING #021 PSA 10 Gem Mint · eBay | Auction | $94.99 |
| Apr 24, 26 | PSA 10 | Pokémon TCG Seaking 021/131 Master Ball Holo PSA 10 Prismatic Evolutions 2025 · eBay | Buy It Now · Best offer | $54.50 |
| Apr 15, 26 | CGC 10 | Pokemon Seaking Master Ball Holo #021/131 Prismatic Evolutions 2025 - CGC 10 · eBay | Buy It Now · Best offer | $26.00 |
| Jan 8, 26 | Ungraded | 2025 Pokemon Seaking (Master Ball Pattern) 021/131 Sv: Prismatic Evolutions Holo · eBay | Auction | $3.00 |
| Dec 8, 25 | CGC 9.5 | 2025 Pokemon Scarlet & Violet Prismatic Evolutions Master Ball Holo Seaking #21 CGC 9.5 MINT+ · Fanatics | Auction | $10.80 |
| Dec 6, 25 | PSA 10 | Sold Dec 6, 2025PSA 10 Seaking (Master Ball Pattern) 021/131 Sv: Prismatic Evolutions HoloOpens in a new window or tab · eBay | Buy It Now | $51.00 |
| Aug 17, 25 | PSA 9 | Sold Aug 17, 2025Seaking 021/131 Master Ball Reverse Holo PSA 9 - Pokemon Prismatic EvolutionsOpens in a new window or tab · eBay | Buy It Now | $7.23 |
