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Sudan 167-169,MNH.Mi 200-202. Khashm El Girba Dam, Pavilion ,Map. NYC fair-1964.

$ 1.05 $ 0.63

Djibouti - 2020 Albert Einstein Anniversary - Stamp Souvenir Sheet - DJB200208b

$ 10.38 $ 6.23

Israel 182, MNH. Atom Diagram and Atomic Reactor, 1960

$ 0.88 $ 0.52

Palau 1999 MNH, Danny Hillis, Inventor, Scientist, Writer, Computer Science

$ 1.75 $ 1.05

Brazil 2295 two stamps,MNH.Mi 2393. Nike Apache Missile flight, 25th Ann, 1990.

$ 0.92 $ 0.55

JAPAN science / 12-19i /, used

$ 1.14 $ 0.68

Guinea 2008 MNH Imperf, Alan Kay American computer scientist

$ 3.51 $ 2.1

medicine health against cancer FDC 1981 Germany 83748

$ 1.75 $ 1.05

MARSHALL ISLANDS, SCOTT # 679-M, TRANSISTOR OPENDS DOOR TO MINIATURIZATION, MNH

$ 0.92 $ 0.55

BURUNDI SCOTT# 434 MNH NICOLAUS COPERNICUS/HELIOCENTRIC SYSTEM IMPERFORATE

$ 6.16 $ 3.69

Czech Underground Coal Miner 1946 stamp MLH

$ 4.39 $ 2.63

2021 Spain Miniature Sheet canceled FDC on mask waste management - Ltd Edn

$ 27.72 $ 16.63

New Zealand - 28 Different stamps - Cancelled & Uncancelled Lot - Hinged - Misc.

$ 2.99 $ 1.79

Finland 653 two stamps, MNH. Michel 879. Glass Industry, 300th Ann. 1981.

$ 1.1 $ 0.66

Finland 448 two stamps, MNH. Michel 628. Finnish paper industry, 300, 1967.

$ 1.14 $ 0.68

Finland 596 two stamps, MNH. Mi 806. Nuclear power station on Hastholmen Island.

$ 1.14 $ 0.68

Japan 854 block/4,MNH.Michel 902. Medicinal congresses,1965.

$ 1.23 $ 0.73

Tunisia 904, MNH. Computer Education Inauguration, 1986

$ 5.23 $ 3.14

Namibia 2012 MNH Odd Unusual Round Shape SS, Tele Communication 100 yrs

$ 2.63 $ 1.57

RUSSIA 2016 Famous People Scientist Physicist Nobel Prize laureate A.Prokhorov

$ 1.59 $ 0.95

Paul Dirac Quantum Mechanics s/s MNH Cat. Lollini atome BEN12B #BEN18 22

$ 2.63 $ 1.57

USA, SCOTT # 3190-F, CABLE TV TECHNOLOGY, SATELLITE TRANSMISSION OF 1980'S

$ 0.88 $ 0.52

P. Kapitsa, Physics Nobel Prize Winner, Russia 1994 MNH

$ 1.75 $ 1.05

Seibersdorf Research Center, Austria 1981 MNH Pair

$ 1.75 $ 1.05

Togo 2011 MNH, 100th Ann. of Nobel Prize to Marie Curie

$ 2.2 $ 1.32

Brazil 936 block/4,MNH.Michel 1013. World Meteorological Day,1962.

$ 5.28 $ 3.16

Russia 780-783,CTO.Michel 749-752. K.A.Timiryasev,scientist,1940.

$ 5.1 $ 3.06

Kenya,Uganda,Tanzania 242-245,MNH.Michel 230-233. All-Africa Trade Fair,Flags.

$ 0.88 $ 0.52

ST2586 2013 MOZAMBIQUE NOBEL PRIZE WINNERS NIELS BOHR EINSTEIN KB+BL MNH

$ 1.76 $ 1.05

Uruguay Firefighters Bomberos 1971 stamp MLH

$ 3.51 $ 2.1

Cambodia 1088-1090,MNH.Michel 1166-1168. Railroad,Cargo ship,Fishing boat,1990.

$ 4.13 $ 2.48

Christmas Isl 95-110,MNH.Michel 124-131,138-145. Phosphate Industry,Ship,1980.

$ 5.1 $ 3.06

Guinea C62-C63,MNH.Michel Bl.3-4. NYC World Fair:Unisphere,Rocket,Arms.

$ 3.96 $ 2.37

Solomon Isls 539-542 gutter,MNH.Mi 550-553. EXPO-1985,Tsukuba,Japan.Guadalcanal,

$ 3.96 $ 2.37

Belgium B789-B790 two FDC.Mi Bl.34-35. Queen Elizabeth,1966.Health care,Music.

$ 3.52 $ 2.11

Luxembourg 768 block/4,MNH.Mi 1172. International Fair,50th Ann.1987.

$ 1.8 $ 1.08

Mauritania C63,MNH.Michel 307. World EXPO Montreal-1967.Eye,Globe,Rockets.

$ 2.99 $ 1.79

Russia 6590,MNH.Michel 818 Bl.34. EXPO-2000,Hanover 2000.

$ 2.24 $ 1.34

Argentina C116,MNH.Mi 1048. Development Projects, 1969.Atucha Nuclear Center.

$ 1.49 $ 0.89

Austria 668-672,MNH.Michel 1092-1096. Nationalized industry,15th Ann.1961.

$ 1.89 $ 1.13

Czechoslovakia 2029-2034, MNH. Michel 2285-2290. Socialist contraction,30, 1975.

$ 1.49 $ 0.89

Egypt 447-451a strip, MNH. Michel UAR 14-18. Revolution, 6th Ann. Industries.

$ 2.06 $ 1.24

Russia 2244-2255,CTO.Michel 2255-2258,2289-2296. 7-Year Production Plan.Industry

$ 2.24 $ 1.34

Russia 3245-3249,MNH.Michel 3269-3273. 23rd Communist Party Congress.1966.

$ 2.28 $ 1.37

Russia 4762, MNH. Mi 4762 Bl.140. 1st 5-Years Plan, 50th Ann. 1979. Atom Symbol.

$ 1.49 $ 0.89

Swaziland 321-324,MNH.Michel 314-314. Discovery of gold,100th Ann.1979.

$ 2.64 $ 1.58

Brazil 1960 block/4,MNH.Michel 2077. Informatics Fair & Congress,1984.

$ 1.76 $ 1.05

Rwanda 225-232,MNH.Michel 232-239. EXPO-1967,Montreal.Dancers,Drummers,Vessels,

$ 2.37 $ 1.42

Spain B159-B162, MNH. Michel 2929-2932. EXPO-1992, Seville. 1990.

$ 1.54 $ 0.92

Brazil C105 block/4,MNH.Michel 996. Three Marias Dam,Hydroelectric Station.1960.

$ 1.8 $ 1.08

Gabon 181-182,MNH.Michel 222-223. Gabon's mineral wealth,1965.Manganese crusher,

$ 1.84 $ 1.1

Germany-GDR 2143-2146a,MNH.Mi 2557-2560. Geophysical Exploration,1980.

$ 2.24 $ 1.34

Taiwan 3092-3093,MNH.Michel 2348-2349. Merchant's Day,50th Ann.1996. Computer.

$ 2.5 $ 1.5

Libya 708-710,MNH.Michel 618-620. Standardization Day,1977.Emblems.

$ 1.89 $ 1.13

Montserrat - 2012 ENGINEERING WONDERS / BRIDGES - SHEET OF 3 STAMPS - MNH

$ 5.77 $ 3.46

Austria 1972 MNH Mi 1409 Sc 937 Map of Austrian Telephone System

$ 0.88 $ 0.52

H215 + H216 Sweden 1968 MNH stamp booklet Scott# 806a 807a Nobel Prize physics

$ 4.74 $ 2.84

UNITED STATES SCOTT# 3188j MNH SCIENCE TOPICAL

$ 1.71 $ 1.02

Russia 1994,2030 two sets, CTO. Michel 2025, 2046. Industrial Exhibition, 1957.

$ 1.32 $ 0.79

Switzerland 430-433,lightly hinged.Michel 782-785. Lausanne-1964 Stamp EXPO.

$ 1.32 $ 0.79

Canada 381 block/4,MNH.Michel 328. Canadian Oil Industry,centenary,1958.

$ 1.23 $ 0.73

Czechoslovakia 992-996,MNH.Michel 1211-1215. New 5-year plan,1960.Stalin mine,

$ 1.14 $ 0.68

Hong Kong 259,MNH.Michel 252. Asian Productivity Year,1970.APY emblem.

$ 1.14 $ 0.68

Korea South 448,MNH. Federation of Asian & Western Pacific Contractors,1964.Hook

$ 1.18 $ 0.71

Korea South 625,MNH.Michel 638. National Wealth Survey,1968.Coin & statistics.

$ 1.18 $ 0.71

Luxembourg 406 block/4,MNH.Michel 683. Telephone automation,1963.

$ 1.23 $ 0.73

Mexico 1153 block/4,MNH.Michel 1540. Lazano Cardenas Steel Mill,Las Truchas,1976

$ 1.1 $ 0.66

Neth Antilles 261 block/4,MNH. Michel 98. Sea water distillation plant,Balashi.

$ 1.23 $ 0.73

Sweden 1692,MNH.Michel 1493. Stora Mining Co,700th Ann.1988.

$ 1.23 $ 0.73

Angola 408 two stamps,MNH.Michel 414. EXPO Brussels-1958.Emblem,Globe.

$ 1.32 $ 0.79

Egypt 498 block/4, MNH. Michel 73. Industrial and Agricultural Fair, Cairo,1960.

$ 1.23 $ 0.73

Japan 1031a sheet,MNH.Mi Bl.81. EXPO-1970,Grass in Autumn Wind,by Hoitsu Sakai.

$ 1.32 $ 0.79

Mexico 925 block/4,MNH.Michel 1122. Century 21 EXPO,Seattle,1962.Space Needle.

$ 1.23 $ 0.73

Mexico C492 unwmk block/4,MNH.Michel 1506. Mexico Exports 1975.Oil valves.

$ 1.23 $ 0.73

Brazil 1948 block/4,MNH.Michel 2062. Housing project bank,20th Ann.1984.

$ 1.1 $ 0.66

Korea South B8,used.Michel 564. Symbols of Thrift & Development,1966.

$ 1.32 $ 0.79

Mexico 1155 block/4,MNH.Michel 1550. Development program,1977.Electrification.

$ 1.1 $ 0.66

Viet Nam 200-202,CTO.Michel 211-213. Five Year Plan,1962.Farm,Institute.

$ 1.1 $ 0.66

St Thomas - 2021 Birth of the Pandemic - Stamp Souvenir Sheet - ST210124b

$ 10.38 $ 6.23

energy wind fire FDC 2004 Germany 84248

$ 1.75 $ 1.05

Czechoslovakia 2663-2665, MNH. Czechoslovakian Mathematicians & Physicists, 1987

$ 0.96 $ 0.58

Russia 5616, MNH. Nikolai I. Vavilov, botanist, 1987

$ 0.88 $ 0.52

Italy 893, MNH.Giambattista Bodoni,printer & type designer,150th death ann. 1964

$ 0.88 $ 0.52

Germany DDR/GDR 949-950,MNH. Leipzig Fair. Electrical Appliances, Fur Coat, 1967

$ 0.88 $ 0.52

Germany 1295, MNH. World Radio Conference, 1979

$ 0.92 $ 0.55

Monaco 672, MNH. Intl. Hydrographic Conference. Map, 1967

$ 0.88 $ 0.52

Belgium 500-503,MNH.Michel 1054-55,1091-92. World Fair in Brussels,1958.Atom.

$ 1.76 $ 1.05

Costa Rica C504-C509,MNH.Michel 781-786. EXPO 1970.Floral arrangement,Pavilion,

$ 3.25 $ 1.95

Germany-GDR 719-720a,MNH.Mi 1052-1053. Leipzig Fall Fair,1964.Glass industry.

$ 1.49 $ 0.89

Liberia 1005-1008,MNH.Mi 1311-1314. Louisiana EXPO-1984.Ducks,Ship,Fish,Train.

$ 3.38 $ 2.03

Liechtenstein 324-325,MNH.Michel 369-370. World Fair Brussels-1958.

$ 1.71 $ 1.02

Portugal 830-831,MNH.Michel 862-863. Universal Exposition Brussels-1958.

$ 1.71 $ 1.02

Russia 1994,2030,MNH.Michel 2025,2046. All-Union Industrial Exhibition,1957.

$ 2.24 $ 1.34

Samoa 717-719,MNH.Michel 641-643. EXPO Australia-1988.Village,Canoe,Monorail,Map

$ 3.3 $ 1.97

Somalia 271-272,C92,MNH.Michel 54-56. Somali Fair 1963.Dunes theater,Exhibit,

$ 3.16 $ 1.9

China PRC 1776-1777,MNH.Michel 1794-1795. Fire Control,1982.Water hoses,

$ 2.64 $ 1.58

Egypt 660 block/4,MNH.Michel UAR 256. Arab Petroleum Congress,EXPO,1965.

$ 1.67 $ 1

Greece 539 mint,no gum.Michel 582.Marshall Plan,1951.Industrialization.

$ 2.64 $ 1.58

India 1071,MNH.Michel 1006. 12th World Mining Congress,1984.

$ 1.4 $ 0.84

Kuwait 830-831,MNH.Michel 872-873. OPEC-20,1980.Globe.

$ 3.21 $ 1.92