old pawn navojo concho belt

this is an old pawn navajo concho belt the belt i don,t believe is original the buckle has the original pawn # the persons name and 500 on it it has 7 conchos and the buckle it is not marked silver and has no maker all the old pieces were not signed i can,t find the design of the concho and don,t believe it is used anymore the conchos are 3"x2 1/2 " and in the centre i think are sleeping beauty nuggets? they have a lot of nice matrix if anyone knows the year or where it,s from or anymore info i,d greatly appreciate it thanks