You still can buy them from Scottsdale's website. https://www.scottsdalesilver.com/store/product.php?productid=102
I got some 100 grams Hand Poured Scottsdale silver Bars so I don't think 10 Oz will showing any difference.
www.ebay.com/itm/10-oz-Hand-Poured-Scottsdale-Silver-Bar-Ten-Troy-oz-999-Silver-Bullion-A199-/141980888208?rmvSB=true
As usual with Scottsdale eBay listings.. Ships to: United States Anyway, Scottsdale is always switching up their production runs. Not uncommon for them to get stock in & subsequently sell out. Finally: What's this have to do with coins?