Realistic Drawing of Lupita Nyong'o - Timelapse

Hi everyone! Here is the timelapse of my drawing of the lovely Lupita Nyong'o. I hope you guys like it!

Materials used: graphite powder, charcoal powder, Staedtler graphite pencils, Conté à Paris 3B, Faber-Castell pitt oil pencil, tombow mono zero eraser, electric eraser
Paper: Strathmore 500 series smooth bristol paper
90 hours