No, and no.
Like I said, they go *poof*. They vanish into thin air. They are gone. Unrecoverable. Claimed by the NPC bankers to pad their own pockets.
Would be nice if they actually did go to the realms "other income" bit. These days there's just too many situations where people end up in realms when they had no desire for it and then the realm just loses all the bonds. Bonds are after all supposed to be a very secure form of holding on to money and it's not like it disappears from the realms bank.