What is the value of an 1890 coin republique indo chine francaise on rear it has piastre de commerce in the centre around the edge is written indo chine francaise intre 0900 po ds 27gr?

Your coin 1890 with back " Piastre De Commerce" and Indo chine Francaise TITRE 0900 POIDS 27 Gr is fake because 1890 Piastre de commerce is POID 27.215 Gr

Until 1895, the Piastre De Commerce was strike with 27 Gr POID