1/4 Plate Ambrotype Photo of a Sleeping Dog ID'd as Pat - 1850s oregon with a neat period handwriting

with a neat period handwriting in ink: "The stone Pyramids & Sphinx"

painted back glass

In pencil on the back is written 205 in pencil

late-1850s to c

but I do not see any damage or any issues on the image

1/4 Plate Ambrotype Photo of a Sleeping Dog ID'd as Pat - 1850s oregon with a neat period handwritingOriginal, late 1850s, quarter plate relievo ambrotype of a dog lying on a table. On the side of the case a small piece of a paper is stuck with writing on it I think it says Wood? Ward? Maybe even DEAD? Dog "Pat". Ambro is in very good antique condition as shown. The image itself does not appear to be damaged or flaking, but small pieces of the black paint on the back of the image has come off and stuck to the backing paper, and these areas show