Struck as a trial piece in preparation for the Susan B. Anthonay dollars to allow for testing of the new smaller-size dollar coins and their ability to work in vending machines.
| Country | United States of America |
| Year | 1979 |
| Serie | Patterns |
| Denomination | $1 (One Dollar) |
| Mint | Philadelphia |
| coinage-type | Pattern |
| desg | MS |
| edge | Reeded |
| material | Copper-nickel clad |
| pcgs-link | 62301 |
| pcgs-number | 62301 |
| variety | Copper-nickel clad |
| variety-2 | J-2175 |
| year-display | 1979 |