Xtierra (TSX.V:XAG) has to rank among the TSX Venture’s best kept secrets. With the advanced Bilboa silver-zinc-lead project in Zacatecas, Mexico in feasibility with a 140 million ounce silver equivalent resource, and trading at a market cap of $14 million, the disparity between the reality and the should-be makes this a nearly too-good-to-be-true story.