I found a really special gift for you! Do you thought the design portfolio is a modern science?  This one came from about  the XV.-XVI. century. Some logo:) (crest), and typographic design, I don’t know the name of the master, but anyway it will a good inspiration, or resource. All textures high quality.

Download free texture – Grunge rusty metal texture with signs texture for design works. Download: Filesize – Downloaded times