Master Copy yields great lessons: "Lost in her Dreams" Frederich von Amerling Vienna circa 1900. This is gouache laid over water soluable graphite on 140lb hot press paper

After F. von Amerling "Lost in her Dreams" circa 1900. Water soluable graphite and gouache on hot press watercolor paper 140 lb

After Serov: little gouache on yupo paper 5x7"

Gouache on yupo paper.  After Serov