Dutch Old Masters Nude Figure Study Pastel Drawing

Netherlands,17th Century
Depicts a nude woman raising a goblet while seated on upon draped fabric. Professor Held believed the work to be by Govaert Flinck, however there is no apparent evidence to confirm.
Medium: Pastel on paper
Size: Sight 12" x 8".Frame 25" x 19"
Signature: Retains "Christie's" label in verso.
Condition: Verticle crease down right edge, frame with some wear and losses, otherwise good condition.