Slab Serif Fonts Prospex Line 0 FacebookTwitterPinterestWhatsApp Prospex Line Poster 2 Prospex Line Poster 3 Prospex Line Poster 4 Prospex Line Poster 5 About Prospex Line Prospex Line is a modern and creative outlined slab serif font. It is perfect for magazines, book covers, posters, banners, advertisements, flyers, and so much more. DOWNLOAD NOW