The interior of the "Tomb of Mithridates, near the Lazaretto of Kerch" renamed as "Royal Kurgan" by you know who, a monumental burial mound located in Kerch, Crimea
The engraving is titled "Tomb of Mithridates, near the Lazaretto of Kerch", reflecting the historical and archaeological context of the time it was created. It's a lithograph, a type of printmaking, rather than a painting.