| Issuer: United States
Date: 7/10/2000 (2000 sheets) Block 1 (6, 3 x 2) 1, 1: 60c d=Hubble Space Telescope (2000) 1, 2: 60c d=Radio Interferometer 1, 3: 60c d=Keck Observatory 2, 1: 60c d=Vastness of SpaceCerro Tololo 2, 2: 60c d=Vastness of SpaceMt Wilson 2, 3: 60c d=Arecibo Observatory In collections: mint (Stan Shebs) |
External links: Colnect 97447-..tes_of_America |
