This may seem like a dumb question, but I just want to get something cleared up. So expanded shells are meant to fit over a regular coin, right? And a shim shell does the same but is magnetic, right? But do some places sell shells, but they aren't expanded shells and therefore would require a special coin to fit inside? I am just wondering because I found this shim shell, but it does not say expanded, so is the expanded part just implied or is it likely it really isn't expanded?
