Fantastic Late 19th Century Large Charcoal Drawing of Girl and Dog

This is definitely one of my all time favorite things I've had in the shop. Yes, my love of it is surely enhanced by my own deep dog love, but regardless, truly a marvelous drawing, and about the most tender expression of love and connection that I can imagine, down to every detail. The way the long fingers of her left hand spread protectively over her dog's shoulder, and then how her other hand is curled under his neck, looking almost like a paw. Her fantastically detailed collar, complete with tulips and vines and all sorts of other flourishes, echoed in the patterned wallpapers behind her, which if one looks closely include a few vines bearing hearts. Her hair! And then the fact that this wonderful dog appears to be blind in one eye, making their bond feel all the stronger and more grounded. Love love love. The drawing is signed at the center of the bottom edge, P.H. Vogan. A fairly uncommon last name, 'Vogan' shows some old presence in Northwest Pennsylvania and possibly the Southe