1. currency - federal notes, silver certificates, us notes, canadian notes.
2. evidence of debt - treasury issued bills, bonds, notes, municipal and corp bonds, debentures, personal notes.
3. ownership of property - common or preferred stock
4. documents which represent subscription rights - stock warrants, stock rights.
5. postal and money orders.
6. travelers checks,
7. warehouse receipts
8. savings certificates
9. interest coupons