Slab Serif Fonts Sebastien 0 FacebookTwitterPinterestWhatsApp Sebastien Poster 2 Sebastien Poster 3 Sebastien Poster 4 Sebastien Poster 5 About Sebastien Sebastien is an awesome Slab Serif 3D typeface with a vintage and solemn appearance. This font will fit on any flyer, banner, poster, cover, or t-shirt. DOWNLOAD NOW