I figured it out....a little. They are coupons the buyer redeemed for interest payment. Apparently they were attatched to the bottom of the bond. I know the bonds themselves are collectible. Anyone know if anybody collects the payment coupons?
" When nothing is owed or deserved or expected And your life doesn't change by the man that's elected If you're loved by someone, you're never rejected Decide what to be and go be it"