HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD PERFECT PEN

Tone is produced by various the thickness of lines. In black line art no lines are thickened, so it doesn't have any tone and seems flat-wanting. White line art has thickened lines for building distinction among mild and shadow parts and generating particulars apparent.Some artists use quill pens not just for drawing but also to examine calligraphy