This is the way commercial art used to be made - by hand, on cold press illustration board with notes and revisions written along the margins, and scaled/cropped later by the printer.  
It makes me wonder if one day someone will look at the techniques we use now and think they are archaic and take a lot of finessing and skill

This is the way commercial art used to be made - by hand, on cold press illustration board with notes and revisions written along the margins, and scaled/cropped later by the printer.  

It makes me wonder if one day someone will look at the techniques we use now and think they are archaic and take a lot of finessing and skill