They are all various dates but all contain 90% silver. These dimes are to be considered junk silver for their silver value only. That is what I bought them as 40 years ago.
You can definitely see they are above the grade of junk. The item "Buy It Now!
(10) Rolls of 50 ea $50 Face Value 90% Silver Roosevelt Dimes" is in sale since Wednesday, October 14, 2020. This item is in the category "Coins & Paper Money\Coins\ US\Dimes\Roosevelt (1946-Now)". The seller is "liz4139" and is located in Chicago, Illinois. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, Brazil, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.