I have two blank coins, they both weigh by themselves 6.3, edges have no redeed just smooth silver. Anyone have any idea what kind of coin it could be? Silver Quarter? Obverse#1 Reverse#1 Obverse #2 Reverse#2
They are certainly not planchets. (No rims.) To be honest they look like knockouts (e.g., from an electrical panel or box). Have you tested them with a magnet? (If they are attracted to a magnet they are not coin blanks.)
