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Schedules of Investments - Investments (Details)	Dec. 31, 2022 USD ($) oz	Dec. 31, 2021 USD ($) oz	Dec. 31, 2020 USD ($) oz	Dec. 31, 2019 USD ($) oz
Silver bullion (Ounce) | oz	466,265,146	530,838,100	558,715,882	362,616,711
Investment in silver bullion, cost	$ 10,025,562,224	$ 11,330,688,133	$ 10,472,474,303	$ 6,294,157,046
Silver bullion fair value	11,164,718,926	12,254,397,545
Less Liabilities	(4,633,955)	(5,163,322)
Net Assets	$ 11,160,084,971	$ 12,249,234,223	$ 14,791,792,720	$ 6,540,758,565

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