You know how to position the nib into the penholder, prep the nib and hold the penholder correctly
You know the basics of forming words and letters using a pointed pen for calligraphy
You've attempted a beginners course in the past or have been learning on your own for 1-2 years and producing work that is clearly past the beginner stage
Your goal is to develop your unique style and/or learn other techniques like engraving and/or start attracting clients