Bidspirit auction | This 19th-century animalier oil painting

This 19th-century animalier oil painting on canvas depicts the head of a Saint Bernard dog in profile, set against a muted, neutral background. The reverse of the painting reveals a standard wooden stretcher with corner keys. There are handwritten pencil notations on the lower edge of the frame, including the word GLASS. No visible signature or artist's mark was identified on the front or verso of the work.