Wood - Marble Les Imitations de Bois et de Marbres. 42 plates with varnish-covered chromolithographs with wood and marble patterns. Hermalle-sous-Argenteau, Belgium, Institut Technique de Peinture et de Décoration Lépold Kerckhof, n.d. (around 1921). Approx. 53 x 37.6 cm. Loosely packed in illustrated hlwd. portfolio d. (rubbed, bumped, soiled, joints torn, cover with loss). Very rare portfolio for one of two courses of the correspondence course in painting established in 1921 by the Institut de Peinture et de Décoration Léopold Kerckhof in Hermalle-sous-Argenteau (cf. text on back cover). - Not in the KVK, not in Worldcat, not traceable in the trade. - Depicted are 42 wood (17) and marble imitations (25) labelled typogr. in French, including: Ecaille, Onyx Nuageux, Pierre de Taille, Petit Granit, Labrador, Rose de Bohême, Brèche Caroline, Grand Antique, Brêche Grise / Violette / de Carignan, Marbre Blanc, Pourpre Violet, Sarrancolin, Bleu Fleuri, Griotte d'Italie, Vert de Mer etc., browned, somewhat dusty. - Browned, somewhat dusty and partly foxed, partly slightly bumped and with small marginal tears, the 1st leaf with a rubbed painting, otherwise in good condition. Wood. - Very rare portfolio for one of two courses of the correspondence course in painting organised by the Institut de Peinture et de Décoration Léopold Kerckhof in Hermalle-sous-Argenteau in 1921 (cf. text on back cover). - Not in KVK, not in Worldcat, not traceable in the trade. - 42 plates with varnish-covered chromolithographs with wood and marble patterns. Loosely inserted in contemp. illustrated half cloth portfolio (rubbed, bumped, soiled, joints torn, cover with loss). - Depicted are 42 wood and marble imitations typogr. inscribed in French, including, among others: as listed above. Browned, somewhat dusty and partly foxed, partly slightly bumped and with small marginal defects, the 1st leaf with a rubbed painting, otherwise in good condition.