POLAND - "Death of Prince Joseph PONIATOWSKI crossing the Elster at the Battle of Leipzig on October 19, 1813". Engraved in aquatint by Philibert-Louis DEBUCOURT (1755-1832) after Horace VERNET (1789-1963). Proof with the letter, on wove paper. Margins. Framed (19th century gilt frame). 57 x 77 cm for the subject. 77 x 97 cm for the frame. Condition B (a few freckles and slightly darkened, rare stains, not examined outside its frame).