Amazon says that by default they are comingled: "Important: Items in your inventory that are identified and tracked using manufacturer barcodes are commingled w

Amazon says that by default they are comingled: "Important: Items in your inventory that are identified and tracked using manufacturer barcodes are commingled with items of the same products from other sellers who also use manufacturer barcodes for those items." - https://www.amazon.com/gp/help/customer/display.html?nodeId=200243180 https://www.amazon.com/gp/help/customer/display.html?nodeId=...