Key date
Semi-key
Variety
Proof
Special
NIFC
Regular
1971-S
Silver
1971-S
Silver, Type 1 Reverse
1972-S
Silver
1973-S
Clad
1973-S
Silver
1974-S
Clad
1974-S
Silver
1976
No S, Type 2, Silver
1976-S
Clad, Type 1
1976-S
Clad, Type 2
1976-S
Silver
1977-S
1978-S
| Date | Variety | Mintage | Classification | CK # |
|---|---|---|---|---|
| 1971-S | Silver | 6,868,530 | Proof | CK-4809 |
| 1971-S | Silver, Type 1 Reverse | — | Variety | CK-4811 |
| 1972-S | Silver | 2,193,056 | Proof | CK-4816 |
| 1973-S | Clad | 2,760,339 | Proof | CK-4820 |
| 1973-S | Silver | 1,883,140 | Proof | CK-4821 |
| 1974-S | Clad | 2,612,568 | Proof | CK-4825 |
| 1974-S | Silver | 1,900,156 | Proof | CK-4826 |
| 1976 | No S, Type 2, Silver | 117,337,000 | Key Date | CK-4828 |
| 1976-S | Clad, Type 1 | 4,149,730 | Proof | CK-4833 |
| 1976-S | Clad, Type 2 | 4,149,730 | Proof | CK-4834 |
| 1976-S | Silver | 4,000,000 | Proof | CK-4835 |
| 1977-S | — | 3,251,152 | Proof | CK-4839 |
| 1978-S | — | 3,127,781 | Proof | CK-4842 |