Try Vogue Audio 12 awg Pure Silver Speaker Cables, Power Cables, and Interconnects.
Isn’t 12 AWG solid silver something like a half-pound of silver per 2m pair? Kind of hard to believe their prices, with such high raw material cost leaving a VERY slim margin for processing, labor and other materials. But, if that’s legit - then bravo to Vogue! You certainly won’t get that anywhere else for near the price point.
EDIT: Their website has recently been updated with the following, which can explain slow email responses:
Vogue Audio operations are closed until October 1, 2022 due to Category 3 Hurricane Ian.