| SG#: | 1635 |
| SC#: | 1405 |
| Color: | multicolored |
| Perforation : | 13.5 x 13 |
| Issue Date: | 03-Oct-1991 |
| Description: |
Electric lightbulbs |
| SG#: | 1636 |
| SC#: | 1406 |
| Color: | multicolored |
| Perforation : | 13 x 13.5 |
| Issue Date: | 03-Oct-1991 |
| Description: |
Solar energy |
| SG#: | 1637 |
| SC#: | 1407 |
| Color: | multicolored |
| Perforation : | 13 x 13.5 |
| Issue Date: | 03-Oct-1991 |
| Description: |
Angel-poise lamp by window |
