Most Expensive Washington Quarters Worth Thousands! Check Your Change! Worth Money!

[@FrankTuritto]

I have Maryland quarter 2000 but it’s black or zinc in color.

[@dodulkushtia9926]

I have Maryland USA 1788/2000-P state quarter dollar error coin

[@andiprapancha1908]

I have coin : 1. Washington Quarter Dollar 2000 D MARYLAND 1788 THE OLD LINE STATE ( 1 coin ), 2. Washington Quarter Dollar 2005 P ARKANSAS 1861 BUFFALO ( 2 coins ), 3. Washington Quarter Dollar 1973 D ( 2 coins ), 4. Washington Quarter Dollar 1997 D ( 1 coin ), 5. Washington Quarter Dollar 1992 P ( 2 coin ), Thanks

[@micadams3025]

Can i use MS 70 coin restorer on these quarters?