1980 S Jefferson Nickels 5 Cents Nickel / Half Dime Proof
| Sub Type | Coins |
| Country | United States of America |
| Denomination | 5 Cents Nickel / Half Dime |
| Series | Jefferson Nickels |
| Year | 1980 |
| Mint | San Francisco |
| Production Type | Proof |
| Diameter | 21.20 |
| Weight | 5.00 |
| Type | Coins |
| Material | Copper-Nickel |
| Mintage | 3,554,806 |
| Currency | USD |
| Mint Mark | S |
| Currency Amount | 0.05 |
| Year Display | 1980 |
| Height | 0.00 |
| Width | 0.00 |