This one's on the portfolio site, but I thought I'd show you a simple process; from sketch to colour. I drew this for my own pleasure, mainly to test out a new dip pen. I used the Gillott 303 & 404 and also a sable #2 brush, with india ink. Colour was added digitally in Photoshop.
Inked with sable brush and dip pen
Colour added digitally on a multiply layer