United States
0.21 - 0.25$
price on 22.03.2023
| Country: | United States |
| Type: | Postage stamps |
| Series: | Energy Issue |
| Nominal: | 13 ¢ |
| Year: | 1977 |
| Size: | 40 x 32 mm |
| Perforation: | line 11 |
| Mintage: | 79,338,000 |
Energy Issue
 "Conservation" 0.17$ |  "Development" 0.21$ |