What is the value of us saving bond Nov 1972 series E for 25.00?

The value of a U.S. Savings Bond Series E purchased in November 1972 for $25 would depend on the bond's interest rate and the time it has matured. Series E bonds earn interest for up to 30 years, and the interest is compounded semiannually. To determine the exact current value, you can use the U.S. Treasury's savings bond calculator, which factors in the bond's issue date and interest rates applicable over the years. Generally, a bond from that period would be worth significantly more than its face value if it has reached maturity.