Sequential Portrait Pencil Sketches

I need four high-resolution, pencil-sketch illustrations for a folded C6 brochure. All four must keep a realistic look and capture subtle facial expressions. The sequence is important: 1. Illustration 1 mirrors the “top” reference photo exactly... (Budget: $250 - $750 AUD, Jobs: Adobe Photoshop, Brochure Design, Character Design, Digital Art, Graphic Design, Illustration, Illustrator, Photoshop)