"Russo-Turkish War" Cover Illustration/Design by John Leighton (published by William Mackenzie, Glasgow, Edinburgh, London - date unknown)

I loved the detailed work on this cover as soon as I saw it. It must be over a hundred years old - late 19th, possibly early 20th century. John Leighton (1822-1912) was indeed a renowned artist for his book illustrations and covers. https://en.wikipedia.org/wiki/John_Leighton_(artist)