FRANCE - FRANCE Third Republic (1870-1940). Quaternary alloy test, 10-franc Turin module, Frappe spéciale (SP) ND (1929), Paris. FRENCH REPUBLIC. Laureate head of the Republic right, below signature P. TURIN. Rv. MONNAIE DE PARIS/ 28 M/M ESSAI 28 M/M. Composition of the alloy in four lines: Ag 500/ Cu 400/ Zn 050/ Ni 050. GEM.172.1 - Maz.2614; Silver - 9.93 g - 28 mm - 6 h PCGS SP62 (55936710). Special strike (SP). The alloy used is described on the reverse but will not ultimately be the one chosen for the Turin type with a titre 680 ‰. With a patina with blackish highlights. Superb at Fleur de coin.