Artkomiks - based in Poland

• https://artkomiks.pl/en/work-category/types/original-comic-art/

 

Catawiki

• https://www.catawiki.com/en/

 

Comic Connect

• https://www.comicconnect.com/

 

Comiclink

• https://www.comiclink.com

 

Ebay

• https://www.ebay.com

 

Hakes

• https://www.hakes.com

 

Heritage Auctions

• https://www.ha.com

 

MyComicShop - Lone Star Comics

• https://www.mycomicshop.com/comicart

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Russ Cochran Auctions

• https://russcochranauction.auctionanything.com/Home.taf