Thought the following article might be of interest It was just posted today and reviews how Barrick Golds Pascua Lama project may be encountering "difficulties" and how/why that could affect the physical silver marketplace.
https://www.silverdoctors.com/barricks-200-million-ounce-silver-problem/
Should this information turns out to be correct than Barrick may need to find alternate sources of supply (several perhaps) & quickly in order to fufill this obligation......................
I suppose the possibility exists that if