#63 13c Telephone Centennial #1683 USPS Commemorative Stamp Panel w/FDC
S$ 8.00S$ 32.04
Topical - SCIENCE, TECHNOLOGY
#226 20c Smokey Bear #2096 USPS Commemorative Stamp Panel
S$ 22.73S$ 90.89
#267 22c Polar Explorers #2220-2223a USPS Commemorative Stamp Panel
S$ 3.11S$ 12.42
#1547-E1 First Day Ceremony Program 10c Energy Conservation Stamp w/FDC
S$ 6.38S$ 25.50
#636 34c Enrico Fermi Scientist #3533 USPS Commemorative Stamp Panel
S$ 3.11S$ 12.42
#317 25c Antarctic Explorers #2386-2389a USPS Commemorative Stamp Panel
S$ 3.19S$ 12.75
#1683 First Day Ceremony Program 13c Telephone Centennial
S$ 4.90S$ 19.62
#199 20c American Inventors #2055-2058 USPS Commemorative Stamp Panel
S$ 2.46S$ 9.81
#1280a First Day Program 2c Frank Lloyd Wright Stamp w/FDC w/ mail early
S$ 8.17S$ 32.69
#1547 First Day Program Souvenir 10c Energy Conservation Stamp
S$ 7.35S$ 29.42
#1340 6c Hemisfair Stamp Poster- Unofficial Souvenir Page Flat plate Block of 4
S$ 6.04S$ 24.19
#1611 First Day Ceremony Program $2.00 Kerosene Table Lamp
S$ 5.07S$ 20.27
#2558 FD Program 29c Numismatics Stamp w/FDC
S$ 4.08S$ 16.35
#C130-C1 50c Antarctic Treaty Stamp First Day Ceremony Program
S$ 3.11S$ 12.42
#1547 First Day Ceremony Program 10c Energy Conservation Stamp w/FDC
S$ 8.17S$ 32.69
#1285 8c Albert Einstein Stamp Poster - Unofficial Souvenir Page FD HC
S$ 7.04S$ 28.12
#179 20c Science & Industry #2035 USPS Commemorative Stamp Panel
S$ 2.94S$ 11.76
#1500-02 First Day Ceremony Program 6c-15c Electronics Stamp w/FDC
S$ 5.73S$ 22.88
#1164-C1 First Day Ceremony Program 4c Automated Post Office Stamp w/FDC
S$ 8.17S$ 32.69
#482 32c Pioneers of Communication #3063-3066 - USPS Commemorative Stamp Panel
S$ 4.08S$ 16.35
#2386-2389 First Day Ceremony Program Antarctic Explorers Stamps
S$ 3.27S$ 13.08
#24 8c Angus Cattle #1504 USPS Commemorative Stamp Panel
S$ 4.42S$ 17.65
#7716 13c Energy Stamps #1723-24 USPS Souvenir Page
S$ 1.31S$ 5.23
#1234 5c Alliance for Progress Stamp Poster - Unofficial Souv Page FD MC
S$ 5.73S$ 22.88
#9233 29c Minerals Stamps #2700-2703a USPS Souvenir Page
S$ 2.46S$ 9.81
#0509 37c Scientists Stamps #3906-09 Souvenir Page
S$ 5.73S$ 22.88
#1274 11c ITU 100 Years Stamp Poster- Unofficial Souvenir Page Folded HC
S$ 5.39S$ 21.58
#1547 First Day Ceremony Program 10c Energy Conservation Stamp w/2 FDC & 6 Auto
S$ 9.15S$ 36.62
#1280a FD Program 2c Frank Lloyd Wright Stamp w/FDC w/zip code
S$ 8.17S$ 32.69
#CVP33-C1 First Day Ceremony Program Variable Rate Machine Coil w/4 FDC
S$ 13.89S$ 55.58
#1126 Forever American Scientists #4541-44Souvenir Page
S$ 3.11S$ 12.42
#UX57 5c United States Weather Services Souvenir Page Flat w/FDC - Very Scarce
S$ 12.27S$ 49.04
#8851 21c Chester Carlson #2180 USPS Souvenir Page
S$ 1.96S$ 7.85
#216 20c Louisana World EXPO #2086-2089 USPS Commemorative Stamp Panel
S$ 2.77S$ 11.12
#38 10c Energy Conservation #1547 USPS Commemorative Stamp Panel
S$ 3.11S$ 12.42
#1127 Forever Mark Twain #4545 Souvenir Page
S$ 3.11S$ 12.42
#8416 20c New Orleans World Fair Stamp - Scott #2086 USPS Souvenir Page
S$ 1.31S$ 5.23
#18 6c/15c Electronics #1500-2/C USPS Commemorative Stamp Panel in orig sleeve
S$ 3.11S$ 12.42
#1275 5c ESSA (Environmental Science Services Admin First Day Cover w/FDC
S$ 3.43S$ 13.73
#0140 34c Enrico Fermi Stamp #3533 Souvenir Page
S$ 1.46S$ 5.86
#7816 15c Photograph Stamp #1758 USPS Souvenir Page
S$ 1.31S$ 5.23
#8313 20c Joseph Priestley Stamp - Scott #2038 USPS Souvenir Page
S$ 2.62
#8003 15c Windmills Stamp Booklet Stamps - Scott #1742a USPS Souvenir Page
S$ 2.46S$ 9.81
#2086 First Day Souvenir Program 20c Louisiana Expo Stamp
S$ 3.43S$ 13.73
#210 Soil & Water Conservation #2074 USPS Commemorative Stamp Panel
S$ 3.11S$ 12.42
#1237 5c Science Stamp Poster - Unofficial Souvenir Page Flat HC
S$ 5.73S$ 22.88
#1237 5c Science Stamp Poster-Unofficial Souvenir Page Flat HC
S$ 7.35S$ 29.42
#1690 13c Benjamin Franklin Postage Stamp Poster-Unofficial Souv Pg FD w/Canada
S$ 8.00S$ 32.04