| Maakies art by Tony Millionaire: Originals from the popular alternative weekly and Dark Horse comic book artist Tony Millionaire. |
| Major Damage: Chris Bailey's Comic Art Cafe features modern and silver age original comic art for sale and trade. Will trade classic animation art for comic art. |
| Manning, Greg - Auction, Inc.: High-end comic book art, mostly from the Silver Age. |
| Marzan, Jr., Jose: Originals from the artist and inker on many popular mainstream titles from Marvel and DC. |
| McNeil, Carla Speed: Lightspeed Press: Original art from Finder, Mystery Date, and other projects by Carla Speed McNeil |
| Media Services International: Original art from Bernie Wrightson, Ken Meyer Jr., and Basil Gogos. |
| Menard, Sean: Original Art: Specializing in affordable original comic book and comic strip art. |
| MetalTV: Art from Heavy Metal: The title (almost) says it all: The store sells more than just originals from Heavy Metal, though the focus remains on color work. |
| Monster's Collectibles, Ken Danker: Large and diverse collection of original comic art, from the golden age to the present. |
| MothComiX.com: Modern and vintage original comic book art and collectibles. |
| Moy, Albert: Original Art: A wide range of comic book, strip, and animation art in a wide range of prices. Will trade. |
Classical
