Platt, Émile. CATALOGUE D’UNE COLLECTION DE MÉDAILLES & JETONS DE LA RÉVOLUTION ET DU PREMIER EMPIRE (1789–1815). Paris, 1904. 12mo, original printed paper covers. 29, (3) pages; 304 listings. Near fine. {with] Platt, Clément. MONNAIES FRANÇAISES. MONNAIES FRANCO-ITALIENNES. JETONS & MÉDAILLES. Paris, 30 juin 1932. 4to, original printed card covers. 16 pages; 127 lots; 3 fine plates. Fine. [with] Platt, Émile. COLLECTION B. MONNAIES FRANÇAISES : MÉROVINGIENNES, CAROLINGIENNES ET ROYALES. Paris, (c. 1934). 4to, original printed card covers. 63, (1) pages; 1525 listings; 8 fine plates. Near fine. [with] Ravel, Oscar, and Clément Platt. COLLECTION D’UN AMATEUR MARSEILLAIS. MONNAIES ANTIQUES GRECQUES, ROMAINES, BYZANTINES. MONNAIES FRANÇAISES. MONNAIES ÉTRANGÈRES. Paris, 23–25 avril 1934. 4to, original printed card covers. (2), 46 pages; 894 lots; 8 fine plates. Near fine. [with] Platt, Clément, et al. DESSINS, AQUARELLES ... MONNAIES ANTIQUES, FRANÇAISES ET ÉTRANGÈRES, ANTIQUITÉS ARCHÉOLOGIQUES.... Paris, 3–5 juin 1936. 4to, original printed card covers. 56 pages; 567 lots; 4 fine plates, including 1 of coins, 1 of art and 2 of antiquities. Covers worn; very good or so. A nice group, starting with a very rare Émile Platt catalogue on French Revolutionary material. Clément Platt (1874–1952) assumed the business of the late Raymond Serrure in 1919, though he had established himself as a professional numismatist by 1906. The firm continues today as Maison Platt. The April 1934 catalogue is Spring 525. The 1932 catalogue is from the Rollin & Feuardent Library; the 1904, 1932 and both 1934 catalogues are ex the Richard Margolis Library.