One of my favorite drawings by Charles Lebrun. This was done using Prismacolor terra cotta Verithin pencil on Daler Rowney Ingres buff paper sized with amber shellac (1 part shellac to 5 parts denatured alcohol).

This was done using Prismacolor black Verithin pencil on white Hahnemuhle Ingres toned with raw umber watercolor and extra sizing added (1 part amber shellac to 5 parts denatured alcohol).
This was done using Prismacolor black Verithin pencil on Lanaquarelle watercolor paper toned with raw umber and extra sizing (1 part amber shellac to 5 parts denatured alcohol).
This was a portrait study done with terra cotta Prismacolor Verithin pencil on rose colored Hahnemuhle Ingres paper.
This was done using black Prismacolor Verithin pencil on Lanaquarelle watercolor paper toned with a yellow ochre wash and after dry, an extra coat of sizing (part 1 amber shellac to part 5 water) was put on.
This was a 5 hour study using black Prismacolor Verithin pencil on Lanaquarelle watercolor paper with a wash of yellow ochre watercolor and after drying a wash of part 1-to-5 amber shellac to denatured alcohol to give extra sizing to the paper.
This was a 3 hour study using black Prismacolor Verithin pencil on Lanaquarelle watercolor paper with a wash of yellow ochre watercolor and after drying a wash of part 1-to-5 amber shellac to denatured alcohol to give extra sizing to the paper.
This is a 3 hour study on Lanaquarelle watercolor paper treated with a wash of raw ochre watercolor and after having dried, with a wash of one part amber shellac to 5 parts denatured alcohol.