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Palau 1999 MNH Andrew Grove CEO Intel largest manufacturer of semiconductor

$ 1.75 $ 1.05

Norway 1500 S/S, MNH. Intl. Polar Year.Oceanographic equipment,Dish antenna,2007

$ 5.14 $ 3.08

Brazil 1975 block/4,MNH.Michel 2096. Climate Awareness Program,1985.Map.

$ 1.76 $ 1.05

Viet Nam 375-378,CTO.Michel 394-396. Completion of 1st Five-Year Plan,1965.

$ 1.54 $ 0.92

X2337- Brazil-Telefunken TV/Radio ad on meter stamp cut–São Paulo-1968.

$ 4.4 $ 2.64

UC351-365 2009 COMOROS FAMOUS PEOPLE SIENCE & TECHNOLOGY 20BL+14KB mnh

$ 11.43 $ 6.85

Libya Petroleum Oil Industry Exploration stamp on cover FDC 1968

$ 13.19 $ 7.91

MOLDOVA 2008 Famous People King Prince Duke Scientist Dmitry Cantemir s-s MNH

$ 0.87 $ 0.52

Great Britain: full set of 4 used stamps, Scientists, 1991, Mi#1323-6

$ 0.57 $ 0.34

RM265 2011 ROMANIA YEAR OF CHEMISTRY SCIENCE MULLER #6561 MICHEL 32 EURO MNH

$ 4.4 $ 2.64

Burkina Faso C35,MNH.Michel 213. World Meteorological Day,1967.Rain.

$ 0.92 $ 0.55

2020 Indonesia Setenant Set of 3 Stamps on Fight against Pandemic - MNH

$ 14.65 $ 8.79

Sweden 1478-1482a booklet,MNH.Mi 1262-1266 MH 96. Nobel Prize Winners,Chemistry.

$ 5.72 $ 3.43

Burkina Faso 133,MNH.Michel 152. Quiet Sun Year IQSY-1964.Seasonal allegories.

$ 0.88 $ 0.52

1999 Great Britain SC #1839-42 Millennium 1999 INVENTIONS Computers Steam Power

$ 3.51 $ 2.1

2008 Minerals booklet MNH (6789)

$ 1.75 $ 1.05

Gauss mathematician FDC 1977 (6771)

$ 2.19 $ 1.31

Georg OHM physicist FDC 1994 (6765)

$ 2.19 $ 1.31

Gauss mathematician FDC 1977 (6772)

$ 2.19 $ 1.31

A900. Comores - MNH - Science - Climat

$ 0.87 $ 0.52

computer stamp day 1990 booklet on FDC

$ 2.46 $ 1.47

Germany 978-980, MNH. Science,technology,chemistry. Koenig printing press, 1968

$ 0.88 $ 0.52

VINTAGE CLASSICS - Sierra Leone 1676-7 Copernicus 450th - Set Of 2 Stamps - MNH

$ 0.78 $ 0.46

RUSSIA 2011 EAEC EurAsian Economic Community Innovative Biotechnologies 1v MNH

$ 1.1 $ 0.66

2020 China Official Cover letter of Medical University with Medical Aid postmark

$ 15.83 $ 9.49

Russia 1959 MNH OG Sc 2196 block of 4 margins Humboldt, naturalist

$ 2.99 $ 1.79

Sierra Leone - 2017 Dmitri Mendeleev - Stamp Souvenir Sheet SRL171118b

$ 10.56 $ 6.33

2020/11- CHAD - SARS COV 2 4V complet set MNH ** T

$ 6.77 $ 4.06

2020/11- CHAD - SARS COV 2 2V complet set MNH ** T

$ 6.77 $ 4.06

Saudi Arabia 913-914, MNH. Solar Village near Al-Eyenah, 1984

$ 1.36 $ 0.81

Tanzania 1979 1st Anniv Telecommunications & Post Souvenir Sheet MNH (SC# 122a)

$ 0.87 $ 0.52

Mali 131-132,MNH.Michel 222. EXPO-1970,Osaka.African,Japanese women,Flag,Map.

$ 1.67 $ 1

Greenland 293-295 sheets,CTO. America series 1995.Christian X,Dogs team,Duck,

$ 21.34 $ 12.8

Russia 1826 2 perf & color var,CTO.Michel 1834C. I.M.Sechenov,physiologist,1956.

$ 10.56 $ 6.33

2021/06 - TOGO - CHERNOBYL 1V complet set MNH ** T

$ 6.77 $ 4.06

Congo DR 443-446,MNH.Michel 119-122. Red Cross-100,1963.Medicinal plants.

$ 0.88 $ 0.52

CA244 2015 CENTRAL AFRICA SCIENCE UNESCO YEAR OF LIGHT KB+BL mnh

$ 2.63 $ 1.57

CA136 2016 CENTRAL AFRICA FAMOUS PEOPLE LOUREATE NOBEL PRIZE KB+BL MNH

$ 2.64 $ 1.58

DJ013 2016 DJIBOUTI SCIENCE & TECHNOLOGY SPACE NOBEL PRIZE WINNERS KB+BL MNH

$ 2.64 $ 1.58

TG244 2016 TOGO SCIENCE FAMOUS PEOPLE COMMEMORATION ILYA METCHNIKOV KB+BL MNH

$ 2.64 $ 1.58

Sierra Leone - 2018 Reflecting Telescope - 4 Stamp Sheet - SRL181116a

$ 10.38 $ 6.23

Korea 2002 Minerals Booklet MNH (6791)

$ 2.63 $ 1.57

Vatican 479-483,MNH.Michel 556-560. EXPO 1970,Osaka.Virgin & Child, by Domoto.

$ 1.14 $ 0.68

Niels Bohr, physicist, Nobel laureate (6067)

$ 1.14 $ 0.68

Niels Bohr, physicist, Nobel laureate (6068)

$ 1.14 $ 0.68

Niels Bohr and Albert Ainstein physicist, Nobel laureates (6069)

$ 1.14 $ 0.68

Heike Kamerlingh, physicist, Nobel laureates (6072)

$ 1.14 $ 0.68

William Randal Cremer, Nobel Peace Prize Laureates (6060)

$ 0.87 $ 0.52

William Henry, physicist, Nobel laureates (6071)

$ 1.14 $ 0.68

Pieter Zeeman, physicist, Nobel laureates (6075)

$ 1.14 $ 0.68

Max Planck , physicist, Nobel laureate (6079)

$ 1.14 $ 0.68

John William Strutt , physicist, Nobel laureate (6081)

$ 1.14 $ 0.68

Philipp Lenard , physicist, Nobel laureate (6082)

$ 1.14 $ 0.68

Charles Robert Richet, medicine, nobel laureate (6063)

$ 1.14 $ 0.68

Charles Albert Gobat and Elie Ducommun, Nobel Peace Prize Laureates (6056)

$ 0.87 $ 0.52

Comite Internacional da Cruz Vermelha, Nobel Peace Prize Laureates (6058)

$ 0.87 $ 0.52

Henri La Fontaine, Nobel Peace Prize Laureates (6059)

$ 0.87 $ 0.52

Sierra Leone - 2018 Reflecting Telescope - Souvenir Sheet - SRL181116b

$ 10.56 $ 6.33

Great Britain: 2 used stamps of a set, Industry year, 1986, Mi#1057, 1059

$ 0.26 $ 0.15

2021 Rep. of North Macedonia MNH Stamp on Red Cross and mask to fight pandemic

$ 3.95 $ 2.37

1990 Great Britain #1322-25 MNH CPL Kew Gardens

$ 1.32 $ 0.79

Austria 666 block/4,MNH.Mi 1091. Sonnblick Mountain. Meteorological Observatory.

$ 1.45 $ 0.87

Niger 1992 MNH, Nutrition and Health conference

$ 1.75 $ 1.05

Libya 209-211, MNH. Michel 109-111. Oil pipeline in Libya, 1961. Map, Tanker.

$ 4.18 $ 2.5

Bulgaria 1877,MNH.Michel 2017 Bl.27. EXPO-1970,Osaka.Mt Fuji,pavilions.

$ 1.32 $ 0.79

Chemistry 7 envelopes (6514)

$ 6.16 $ 3.69

Nederland 2010 TNT Post, Zonneauto MNH (6797)

$ 4.39 $ 2.63

Chemistry 6 envelopes (6510)

$ 5.28 $ 3.16

Algeria, Scott #B84, Red Cross -- Medicine, Cancer

$ 0.87 $ 0.52

Poland 2508-2513, MNH. Ignacy Lukasiewicz, Oil lamp inventor. Oil Lamps, 1982

$ 1.36 $ 0.81

CA244 2015 CENTRAL AFRICA SCIENCE UNESCO YEAR OF LIGHT KB+BL MNH

$ 2.64 $ 1.58

UC351-365 2009 COMOROS FAMOUS PEOPLE SIENCE & TECHNOLOGY 20BL+14KB MNH

$ 11.43 $ 6.85

CA095 2016 CENTRAL AFRICA 85 COMMEMORATION DEATH THOMAS EDISON KB+BL MNH

$ 2.64 $ 1.58

HUNGARY - 1983 - World Communications Year - MNH Set of Six - Scott #2806-#2811

$ 2.5 $ 1.5

Japan 1025a sheet,MNH.Mi Bl.79. EXPO-1970,Osaka.Firework,Irises,by Korin Ogata.

$ 1.54 $ 0.92

Mexico 1117,1117a,MNH.Michel 1493,1782Ax. Mexico Exports,1976-1983.Abalone.

$ 2.42 $ 1.45

Palau - 2001 - Nobel Prize - Sheet of Six - MNH

$ 5.98 $ 3.59

2021 Moldova Cancd. Envelope on "Thanks to healthcare heroes in fighting virus"

$ 14.65 $ 8.79

Thailand 1044,hinged.Mi 1070. Prince Mahidol of Songkhla.Siriraj Hospital,1983.

$ 0.88 $ 0.52

UC365 2009 COMOROS FAMOUS PEOPLE SCOUTS TRANSPORT 6BL MNH

$ 3.51 $ 2.1

Grenada - 1973 - WHO Scientist Physic - Souvenir Sheet - MNH (Scott#515)

$ 3.52 $ 2.11

Grenada - 1973 - Princess Anne & H.Philip - Souvenir Sheet - MNH (Scott#518)

$ 3.52 $ 2.11

Russia 611-613,CTO.Michel 581-583. EXPO Paris-1937.Monument,by Mukhina.

$ 3.6 $ 2.16

Solomon Isls 126-127,MNH.Michel 128-129. ITU-100,1965.

$ 0.88 $ 0.52

Greece RA72-RA74,MNH.Michel Zv 72-74. Postal Tax stamps,1944.Monastery,Windmills

$ 0.92 $ 0.55

Netherlands 580-581,MNH.Michel 1123-1124. Drive against hypertension,1978.Heart,

$ 0.88 $ 0.52

Denmark 740,MNH.Michel 783. Weights,Measures Ordinance-300,1983.

$ 0.88 $ 0.52

Chile 954 two stamps,MNH.Michel 1424. Chilean Scientific Society,centenary,1991.

$ 0.92 $ 0.55

Bahamas 219-220,lightly hinged.Michel 224-225. ITU-100,1965.

$ 0.88 $ 0.52

Cameroun C281,MNH.Michel 909. Telecommunications Exhibition TELECOM-1979.

$ 0.88 $ 0.52

New Zealand 658 block/4,MNH.Michel 738. NZ Telephone Company,100th Ann.1978.

$ 0.88 $ 0.52

Canada: full set 4 used stamps, "Expo '86" World Fair, 1986, Mi#987-990

$ 0.39 $ 0.23

Israel 774-775, MNH. Hand, Light Bulb; Hand squeezzing solar energy, 1981

$ 0.88 $ 0.52

GERMAN ART-EDITION 2004/07 PAUL EHRLICH & EMIL VON BEHRING NOBEL PRIZE DRAFTS!!

$ 17.56 $ 10.53

ST085 2016 GUINEA FAMOUS PEOPLE NOBEL PRIZE LAUREATES 1KB+1BL mnh

$ 1.75 $ 1.05

ST2295 2015 MOZAMBIQUE FAMOUS PEOPLE NOBEL PRIZE WINNERS KB+BL mnh

$ 1.75 $ 1.05

ST610 2015 SIERRA LEONE FAMOUS PEOPLE NOBEL PRIZE WINNERS KB+BL mnh STAMPS

$ 1.75 $ 1.05

ST567 2015 SIERRA LEONE FAMOUS PEOPLE NOBEL PRIZE WINNERS KB+BL MNH STAMPS

$ 1.76 $ 1.05

ST609 2015 SIERRA LEONE SCIENCE ART INTERNATIONAL YEAR OF LIGHT KB+BL MNH STAMPS

$ 1.76 $ 1.05

UC364 2009 COMOROS FAMOUS PEOPLE INNOVATIONS TECHNOLOGIES BL+KB MNH

$ 1.32 $ 0.79