Seaking [Reverse Holo]$239.99 in a PSA 10.

Raw, it’s a $7.00 card. Slabbed as a PSA 10 it sells for 34× that, and PSA has only ever handed out 6 of them.

Check gradesUpdated 17 h ago

price-history

$239.99

−90.2% 30 days

Avg, 90 days$4,700

Sales, 90 days2

Vs raw34×

Market priceA recorded saleBefore our sale records (sales still happened)

grades

sales

PSA 10 · median of last 5 sales

$240

34.3× raw
pop as of Nov 4

66graded by PSA

9%gem rate, 1 in 11

55CGC · BGS

8 recorded

November · 1 sale · median $4,550 · −6% vs Aug
2	eBay	2003 POKEMON EX RUBY & SAPPHIRE #21 SEAKING-REVERSE FOIL PSA 10 #21	−6%	$4,550
August · 1 sale · median $4,850 · +1921% vs Feb
29	eBay	2003 Pokemon Ruby & Sapphire Seaking Reverse Foil 21/109 PSA 10 Gem Mint 21/109	+1921%	$4,850
February · 1 sale · median $240 · +140% vs Oct
1	eBay	2003 Pokemon Ruby & Sapphire Seaking Reverse Foil 21/109 PSA 10 Gem Mint	+140%	$239.99
October 2025 · 1 sale · median $100 · −24% vs Jul
17	eBay	Pokémon “Vintage” Ruby and Sapphire Seaking Reverse Holo. PSA Graded 10. POP 0 21/109	−24%	$100.00
July 2025 · 1 sale · median $131 · +26% vs May
13	eBay	Pokemon Seaking EX Ruby & Sapphire Reverse Holo Rare #21 PSA 10	+26%	$130.78
May 2025 · 1 sale · median $104 · +111% vs Dec
11	eBay	Pokemon Seaking EX Ruby & Sapphire Reverse Holo #21 PSA 10 Gem Mint	+111%	$104.00
December 2023 · 1 sale · median $49 · +229% vs Jun
8	eBay	2003 Pokemon Ruby & Sapphire Seaking Reverse Foil 21/109 PSA 10 Gem Mint	+229%	$49.40
June 2021 · 1 sale · median $15
9	eBay	Seaking 21/109 EX Ruby Sapphire Reverse Holo Pokemon Card Near Mint PSA10	—	$15.00