Portraiture using graphite pencil

I'm finally done with my art work.
And she's like it.

I'm using a lot of pencils, but this is not ordinary pencils ( staedler graphite pencils)

Art materials--
Graphite pencils
Kneaded eraser
Ordinary eraser
A4 vellum board
Ballpen without the ink ( for the white hair)
And fixative (for the final use, non yellowing art finished art work)

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Have a great day.