 Kitco News - On Monday, Metalla Royalty Streaming NYSE, TSXV: MTA announced that it has entered into a royalty purchase agreement to acquire an existing 2.5 to 3.75 gross value return royalty on gold and silver, and a 0.25 to 3.0 net smelter return royalty on copper and other non-precious minerals extracted from the majority of the Lama project owned by Barrick Gold. 