FRANCE - FRANCE Third Republic (1870-1940). Proof of 20 "monnaie inaltérable", nickel silver, ribbed edge 1896, A, Paris. Av. MONNAIE INALTERABLE/ (wheel) E. H. F. (wheel). Planisphere with numeral 20 in escutcheon. Rv. METAL EXCEL SILVER/ (finial) S. S. C. (finial). Crown formed of two branches of laurel, in the centre (date) under a star. GEM.258.2 - Maz.2302 v. (tr. smooth) - VG.4269 v. (tr. smooth) ; Nickel silver - 35 mm - 12 h NGC MS 63 (1910129-004). Rare variety with grooved edge. With a light grey patina. Superb at Fleur de coin.