Antique Black & White Framed Sketch Drawing Of Author Charles Dickens

Up for sale is an antique oval framed sketch of Charles Dickens acclaimed author of the beloved ghostly cautionary tale " a Christmas Carol" this piece measures 7" by 5" frame has a chip on the middle right corner of the frame. I researched this fantastic antique and found one very similar that is located in The British Museum . Thank you for viewing and feel free to ask further questions