HELMAN Isidore Stanislas (1743-1806) - "Opening of the Estates General, at Versailles, May 5, 1789". Etching and burin after C. Monet (Painter to the King). Ref: I.F.F, n°142. Proof with the cartouche, the dedication and the verses, on laid paper. In Paris, at the Author and M. Ponce. 34,2 x 44 cm. Condition B (cut at the square line and some stains, traces of old mounting and paper with epidermis on the back).