"Giving Blood Saves Lives"
56%
| Country: | United States of America |
|---|---|
| Issue: | Blood Donor Issue |
| Date: | 1971-03-12 |
| Print: | Recess |
| Perforation: | 11 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 6 United States cent |
| Print run: | 131000000 |