Related Clues:

• Certain investment, informally
• Certain investment, for short
• Govt. security
• Safe investment, informally
• Government issue
• Gov't security
• Fed. bill
• Legal U.S. tender
• Govt. paper
• Govt. debt instrument
• Govt. obligation
• U.S. security
• Govt. bill
• Highly rated security
• Certain security, briefly