French Guiana
Republic copper-zinc Essai 10 Centimes 1887-E, KM-XE1 (bronze), LeCompte-33 var, Proof 66 NGC, pristine surfaces and definitely not the normal version in bronze or copper-nickel. We have been unable to locate another example struck in this alloy besides this piece during our research. 10.13 gms.
Estimate: 2250-2750 USD