Medium: HB mechanical pencil, 2B and 4B.
A3 Drawing Paper.
I really don't like to use A3 size to draw.. because.. IT'S TO HARD TO SCAN AND ARRANGE PROPERLY~! Most of the time it ended up distort in someway.. No matter how many times I scan it or arrange it.. Well, at least once in a while some pieces turns out okay.. Lucky, this piece is one of it.
The original piece..
After cleaning and some editing in ps..
Larger version uploaded in DA : Here