75/4884 [Posters]. Monogrammist "KJ" (1st half 20th cent.). "L'Amortisseur Haubourdin". Col. lithogr. poster, 145x93 cm., monogrammed "KJ", printed by Gouweloos, Brussels, ±1920.

= Some attribute this poster to Jean-Léon Gouweloos. SEE ILLUSTRATION PLATE XLIII.