This supposed to be largest junk silver dealer in the US. https://www.providentmetals.com/90-junk-silver-us-coins-1000-face-value-715-troy-ounces.html I'd guess if they don't have it the stuff may not be available Maybe poke around on this https://findbullionprices.com/closest-to-spot/?category=silver&type=&weight=&fractional=1