Multi-Color Science US Stamp Covers
164 Results
2021 FDC USA Chien-Shiung Wu Commerative Color Postmark Envelope
$0.990 bids$1.87 shippingEnding Today at 1:51PM PDT5h 12mPOLONUS CACHET COVER - HONORING OLYMPIC BOXING CHAMPIONS FROM POLAND 23-1
$2.50$1.25 shipping2021 FDC USA Chien-Shiung Wu Commerative Color Postmark Envelope
$7.88$4.95 shippingFDC -Melvin Calvin - 2011 - American Scientists
$0.750 bids$1.50 shippingEnding Friday at 2:09AM PDT4d 17hFDC - Maria Goeppert Mayer - 2011 - American Scientists
$0.750 bids$1.50 shippingEnding Friday at 2:10AM PDT4d 17hFDC - Severo Ochoa - 2011 - American Scientists
$0.750 bids$1.50 shippingEnding Friday at 2:25AM PDT4d 17hUS SC # 1285 Einstein FDC. Artcraft Cachet
$2.00Free shippingPOLAND - SHEET OF SIX STAMPS - RUSSIAN SALUT SPACECRAFT - 1973 24-138
$2.50$1.25 shipping1st Day Issue Coast and Geodetic Survey Seattle WA 1957 VTG Stamp Envelope Cover
$8.28Was: $10.35$0.88 shipping1st Day Issue Coast and Geodetic Survey Seattle WA 1957 VTG Stamp Envelope Cover
$8.12Was: $10.15$0.88 shippingDrift Station Bravo Cover 1960
$5.000 bids$0.92 shippingEnding Thursday at 8:07PM PDT4d 11hPalomar Mountain Observtory Worlds Largest Telescope 1948 FDC SCOTT #966
$2.00Free shipping1st Day Issue Coast and Geodetic Survey Seattle WA 1957 VTG Stamp Envelope Cover
$8.28Was: $10.35$0.88 shippingUS stamp 4527-4528 MESSENGER Mission 2 FDC 2 dcp 2011 (bb10
$34.00Free shipping"Sun Science"Limlted Edition Sheet of 20 Stamps 2021 MNH Images Come from NASA
$34.90$5.55 shippingBALLOON FLIGHT STATION, PALESTINE, TEXAS - 1971, SCIENTIFIC BALLOON LAUNCH
$3.99$1.00 shippingCOMMERATIVE CACHET COVER HONORING POPE JOHN PAUL II 1979 VISIT - 23-165
$7.50$1.25 shippingUS FDC Collins Hand-Painted #2031 Science & Industry 1983
$8.00$2.00 shippingUS SC # 1285 Einstein FDC. Artcraft Cachet
$2.75Free shippingFirst Day Issue International Geophysical Year 1958 Chicago Stamp Envelope Cover
$8.12Was: $10.15$0.88 shippingCACHET COVER - LAUNCH OF OAO-3 COPERNICUS SATELLITE - 24-152
$3.00$1.25 shippingFirst Day Issue International Geophysical Year 1958 Chicago Stamp Envelope Cover
$8.12Was: $10.15$0.88 shippingFirst Day Issue International Geophysical Year 1958 Chicago Stamp Envelope Cover
$8.12Was: $10.15$0.88 shippingNY UN World Meteorological Organization FDC Stamped Envelope 1957 fdc29
$7.00Free shipping#1237 5c SCIENCE ISSUE FDC WASHINGTON,DC OCT 14-1963 HOUSE OF FARNAM CACHET
$1.00$1.25 shippingWonders of the Sea--Ocean Exploration--1st day issue-Golden Replica
$4.95Free shippingUS Scott #4541-44, First Day Covers 6/16/11 St Paul Single Scientists
$5.00Was: $10.00$0.85 shippingUS stamp 4527-4528 MESSENGER Mission FDC 2011 (bb10
$17.00Free shippingComplete Set of 4 STAR TREK 50 Years Covers 2016 Forever #5132-5135
$5.50$5.25 shippingUS. 2005. 20c. Consumer Education Coil Pair. Cachet FDC. MNH. 1982
$2.48Free shippingDale 4/26 - R. Buckminster Fuller FDC
$3.50$1.50 shippingUS 2038 Souvenir Page FDC SP610 Priestley
$1.25$2.00 shippingUS 4541-4544 Souvenir Page FDC SP1800 American Scientists
$3.00$2.00 shipping1958 International Geophysical Year IGY Sc 1107 FDC with ArtCraft cachet
$6.49Free shippingCOPERNICUS - FIRST DAY COVER - 8 Cent US stamp - 23-104
$1.00$0.85 shippingUS 3058 FDC ArtCraft Ernest Just
$1.25$1.25 shippingUS 3058 FDC Fleetwood Ernest Just
$2.00$1.25 shippingUS 3058 FDC Mystic Ernest Just
$2.00$1.25 shippingUS SC # 1866 Robert A. Millikan FDC . Artmaster Cachet .
$2.00Free shipping#5543 2021 Love Stamp FDC w/Digital Ciccolella Cachet - Design 2
$9.00Free shippingUS 3533 Souvenir Page FDC SP1418 Enrico Fermi
$1.50$2.00 shipping#5543 2021 Love Stamp FDC w/Digital Print Cachet by Tony Ciccolella
$8.00Free shippingUS 3432A Souvenir Page FDC SP1366A Trudeau
$2.00$2.00 shippingUS 2058a Souvenir Page FDC SP627 Inventors
$1.25$2.00 shipping1774 Collins Hand Painted cachet Albert Einstein Dual Cancel FDC 1979
$12.00Free shippingFDC SAN ANTONIO,TX.MAR 30 1968 HEMISFAIR'68 U.S.A. 6 CENT STAMP
$1.00$1.87 shipping1983 US Postage - SCOTT 2055 - 20 CENT - CHARLES STEINMETZ - FDC Fleetwood
$0.99$1.99 shipping1983 US Postage - SCOTT 2055-58 - 20 CENT - INVENTORS Block of 4 - FDC Fleetwood
$1.69Was: $1.99$1.99 shipping1977 Energy Conservation Sc 1723 1724 1724a premium Fleetwood set of 3
$12.65Free shippingUS SC # 3533 Enrico Fermi FDC. Ready For Cachet
$2.00Free shipping
