Rank | Slaking Pokémon Card | Price | Where to Buy? |
1 | ERROR HOLO RARE Slaking Overprint Foil MINT Pokémon Card [13/108] | $15,751.76 | eBay |
2 | Pokemon Card TCG 2005 Slaking Holo 15/107 Ex Deoxys PSA 10 GEM MINT | $712.65 | eBay |
3 | PSA 10 GEM MINT Pokemon SLAKING Reverse Holo Rare 2007 ex Power Keepers #13/108 | $499.99 | eBay |
4 | Pokemon Card – PSA 10 – Japan 2008 Galactic’s Conquest – Slaking (Holo) – New | $323.93 | eBay |
5 | 2007 Pokemon EX Power Keepers Slaking Reverse Foil 14/108 PSA 10 Gem Mint | $305.99 | eBay |
ANALYSIS OF THE MOST VALUABLE SLAKING POKÉMON CARDS

The topmost valuable Slaking Pokémon card on our list is an Erro Holo Rare Overprint card priced at a whopping price of almost 15,800 dollars!
Then, the second to fifth-ranked cards are only a fraction of its price, valued below 720 dollars.
In second place is a holo card priced at 712 dollars and 65 cents.
In third place is a 2007 card, in fourth is a Japan 2008 card, and in fifth is another 2007 reverse foil card.
Moreover, all the cards from the chart are solo Slaking cards.
Lastly, they can be viewed and bought from eBay through their respective links.
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Reference:
https://www.pokemon.com/us/pokemon-tcg/pokemon-cards/sm-series/sm7/115/
https://www.ebay.com/itm/373518968270?hash=item56f77725ce:g:YZgAAOSwB65f8-3A
https://www.ebay.com/itm/284514891113?hash=item423e68b569:g:~8EAAOSwqCthgpGb
https://www.ebay.com/itm/254969550328?hash=item3b5d5e95f8:g:hMkAAOSw3x9glEHg
https://www.ebay.com/itm/402836558621?hash=item5dcaee131d:g:IesAAOSwI~tgmPR3
https://www.ebay.com/itm/284190992385?hash=item422b1a6801:g:60kAAOSwN3BgMGpG