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CA820 2012 CENTRAL AFRICA MYCOLOGY FAMOUS PEOPLE MUSHROOMS BL+KB MNH STAMPS

$ 1.76 $ 1.05

Sierra Leone - 2020 Alexander Fleming & Penicillin - Souvenir Sheet - SRL200501b

$ 10.38 $ 6.23

2021 Saudi Arabia Miniature Sheet on "Thanks to our heroes" in viral pandemic

$ 31.67 $ 19

astronomy mathematics Nicolaus Copernicus postmark Austria 98080

$ 0.87 $ 0.52

Venezuela 1996 MNH, Dr J G Hernandez studying Medical, Plate number

$ 2.2 $ 1.32

Bulgaria Medicine Doctor and Child in Hospital stamp 1959

$ 3.51 $ 2.1

Grenadines 1977 205-11 - Alexander Graham Bell - Set of seven - MNH

$ 4.35 $ 2.61

Grenadines 1978 256-61 - Nobel Prize - Set of six - MNH

$ 4.35 $ 2.61

Nevis 1998 - Radio - Set of Three - MNH

$ 3.52 $ 2.11

Palau - 2001 - Nobel Prize - Souvenir Sheet - MNH

$ 3.52 $ 2.11

BC950 2011 S.TOME & PRINCIPE PHOTOVOLTAIC JAPAN EXPO PV SPACE TRANSPORT KB MNH

$ 0.95 $ 0.57

RM192 1982 ROMANIA ECONOMIC SUMMIT CEC #3903-04 MICHEL 9 EURO 10SET MNH

$ 0.88 $ 0.52

SIGNED BUSINESS CARD, JOHN REED CHAIRMAN OF NYSE AND CITIGROUP

$ 211.19 $ 126.71

Marie Curie Sklodowska s/s MNH Cat. Lollini atome MLI 33/34 C #ML1750

$ 2.63 $ 1.57

RM087 2007 ROMANIA SCIENCE BIOLOGY 100 YEARS EMIL RACOVITA MICHEL 13 EURO MNH

$ 1.32 $ 0.79

ST2470 2014 MOZAMBIQUE GREAT INVENTOR MARIE CURIE KB+BL MNH

$ 1.76 $ 1.05

1968 Great Britain #564-7 MNH CPL Scott CV Anniversaries

$ 0.88 $ 0.52

1967 Great Britain #560-3 MNH CPL Scott CV Bridges

$ 0.88 $ 0.52

1969 Great Britain #584-88 MNH CPL Scott CV .25 Anniversaries

$ 0.88 $ 0.52

1977 ISRAEL #625-7 MNH CPL TABS Scott CV {{product_list}}.80

$ 0.88 $ 0.52

1991 Great Britain #1374-7 MNH CPL Scott CV .80 Europa

$ 1.23 $ 0.73

1991 Great Britain #1378-81 MNH CPL Scott CV .60 Student Games

$ 1.14 $ 0.68

1991 Great Britain #1382-86 MNH CPL Scott CV .05 Roses

$ 1.23 $ 0.73

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

$ 1.76 $ 1.05

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

$ 1.75 $ 1.05

Medical Personalities, Pasteur, Banting, Guinea Bissau 2008 MNH Imperf SS

$ 18.48 $ 11.08

Togo - 2019 World Wide Web Anniversary - 4 Stamp Sheet - TG190539a

$ 10.25 $ 6.15

Togo - 2019 World Wide Web Anniversary - Stamp Souvenir Sheet - TG190539b

$ 10.56 $ 6.33

Netherlands B628a booklet,MNH.Michel MH 36. Traditional Industries, 1987.

$ 3.43 $ 2.05

A900. Comores - MNH - Science - Volcano

$ 0.87 $ 0.52

DJ100 2016 DJIBOUTI SCIENCE & TECHNOLOGY 100TH ANNIVERSARY EINSTEIN KB+BL MNH

$ 2.64 $ 1.58

Indonesia B98-B103,MNH.Michel 190-195. Rehabilitation of invalids,1957.

$ 1.54 $ 0.92

broascasting radio television communications FDC Berlin 1973

$ 2.64 $ 1.58

ML115 2015 MALDIVES SCIENCE INTERNATIONAL YEAR OF LIGHT KB+BL MNH

$ 2.64 $ 1.58

RUSSIA 2015 Famous People Scientist Physicist S.P.Kapitsa 1v Sc7602 Mi2130 MNH

$ 1.39 $ 0.83

ST1866 2016 NIGER SCIENCE & TECHNOLOGY NOBEL PRIZE WINNERS KB+BL MNH

$ 1.76 $ 1.05

Korea South 738-746,hinged.Michel 650-655,657-659. Economic Development,1971.

$ 9.24 $ 5.54

Spain 877-878,877a-878a,MNH.Mi 1117-1118,Bl.13-14. EXPO Brlussels-1958.Emblem.

$ 43.03 $ 25.81

Micronesia - 2013 - UN WORLD RADIO DAY - Sheet of 4 Stamps - MNH

$ 7.39 $ 4.43

Candido Fontoura Pharmaceutical dedicated to produce penicillin, Brazil 1985 MNH

$ 1.75 $ 1.05

Poland Underground Coal Miner stamp 1969

$ 3.51 $ 2.1

ROBERT KOCH ( MEDICINE ) 1982 FRANCE VERY NICE MAXIMUM CARD SILK ! /Cs755

$ 1.54 $ 0.92

Libya 649-653, 654, MNH. Mi 562-567 Bl.24. Tripoli Fair 1977. Handicrafts.Horse.

$ 5.28 $ 3.16

Mexico C621 block/4,MNH.Michel 1650. Invention of electric light,100,1979.

$ 0.88 $ 0.52

Panama RA15-RA18,used.Mi Zw 15-18. Postal Tax stamps 1945.Pierre & Marie Curie.

$ 0.88 $ 0.52

Peru C168,MNH.Michel 599. International Geophisical Year IGY-1961.The Earth.

$ 1.05 $ 0.63

Germany 1411,MNH.Michel 1199. Gregor Mendel,Basil Law of Heredity,1984.

$ 0.88 $ 0.52

Panama RA24-RA27,used.Mi Zw 24-27.Postal Tax stamps 1947.Pierre & Marie Curie.

$ 0.88 $ 0.52

Panama RA1-RA4,used.Michel Zw 1-4.Postal Tax stamps 1939.Pierre & Marie Curie.

$ 0.88 $ 0.52

Russia 1050-1051, CTO. Mi 1023-1024. Pafnuti L.Chebyshev, mathematician, 1946.

$ 0.88 $ 0.52

Russia 3608 sheet,CTO.Michel 3635 Bl.56. Periodic Law.Dmitri I.Mendeleev.1969.

$ 0.92 $ 0.55

Guyana - 1996 - Noble Prize - Souvenir Sheet - MNH

$ 3.6 $ 2.16

Russia USSR 1948 MNH Blk, Scientist with microscope

$ 3.12 $ 1.87

Russia 3649, MNH. Ivan Petrovich Pavlov, Physiologist, 1969

$ 0.88 $ 0.52

Russia 3592, MNH. VEF Electrical Co.,Latvia,Riga, 50th ann. Radio,Telephone,1969

$ 0.88 $ 0.52

2020 Russia Z.I.Alferov a Nobel Prize Winner for physics Miniature Sheet MNH

$ 8.08 $ 4.85

2021 Bangladesh FDC on "Stay Home Stay Safe" together we can defeat the virus

$ 15.83 $ 9.49

Greece 835 two stamps, MNH. Evghenides Planetarium; Hipparchus, Astrolabe, 1965.

$ 0.88 $ 0.52

Nobel Physics to German inventor Karl Braun, Guinea Bissau 2009 MNH Imperf

$ 3.74 $ 2.24

Charles Glover Barkla , physicist, Nobel laureate (6078)

$ 1.14 $ 0.68

Isaac Newton , physicist, (6070)

$ 1.14 $ 0.68

Albrecht Kossel, medicine, nobel laureate (6062)

$ 1.14 $ 0.68

Belgium - " DIAMONDS " Unique, Odd - Shaped MS with Glitter 2018 !

$ 14.95 $ 8.97

Korea South 724,MNH.Michel 728. Councillors; Meeting of the Asian P.T.T.I.1970.

$ 1.32 $ 0.79

Russia 3991 2 stamps,MNH.Michel 4026. Roald Amundsen,1972.Airship NORWAY.

$ 1.14 $ 0.68

Russia 3699-3700,MNH.Bellingshausen-Lazarev Antarctic expedition, 150th ann.1970

$ 1.36 $ 0.81

TG1076 2011 TOGO SCIENCE YEAR OF CHEMISTRY CURIE MENDELEEV BL+KB MNH

$ 1.76 $ 1.05

New Zealand - 23 Different stamps - Cancelled & Uncancelled Lot - Hinged - Misc.

$ 2.81 $ 1.68

Max Planck, physicist, Nobel laureates (6074)

$ 1.14 $ 0.68

William Lawrence Bragg, physicist, Nobel laureate (6077)

$ 1.14 $ 0.68

Niels Ryberg Finsen, medicine, nobel laureate (6065)

$ 1.14 $ 0.68

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

$ 0.92 $ 0.55

Sweden Stora Copper Underground Mine 700 Ann stamp 1988 A-2

$ 3.51 $ 2.1

Senegal 330 imperf,MNH.Michel 437B. Industrialization,1970.Textile Plant,Thies.

$ 1.76 $ 1.05

Russia 3147-3151,MNH.Mi 3175-3177,3186.3246. Congresses 1966.Microbiology,

$ 2.24 $ 1.34

Germany 1822,MNH.Michel 1710. Heinrich Hertz,1857-1894,physicist,1994.

$ 1.67 $ 1

Papua New Guinea 2008 - Mining 2008 Set of 4 Stamps MNH

$ 6.96 $ 4.18

Papua New Guinea 2008 - Mining 2008 Sheet of 4 Stamps MNH

$ 6.96 $ 4.18

Poland Underground Coal Miner stamp 1959 MNH

$ 3.51 $ 2.1

Argentina Antarctica Polar Exploration Map stamp 1972 MNH B-1

$ 3.51 $ 2.1

''MALARIA ERADICATION' >EMBLEM AND MOSQUITO> CAMBODIA 1962

$ 1.4 $ 0.84

Canada Arctic Rescue Space stamp 1990

$ 3.51 $ 2.1

Nigeria 488-500 set of 13 stamps,MNH.Mi 470-473. Development of Nigeria,1986.

$ 4.7 $ 2.82

Czech Underground Coal Miner stamp 1958

$ 3.51 $ 2.1

Germany 1992 MNH Mi 1627 Sc 1759 First Globe by Martin Behaim ** Navigator

$ 0.95 $ 0.57

GERMANY ART-SHEET 1987/07 JOSEPH VON FRAUNHOFER UNISSUED DRAFTS!!

$ 15.81 $ 9.48

GERMANY ART-SHEET 1988/25 ARBEITER-SAMARITER-BUND MEDICINE UNISSUED DRAFTS!!

$ 15.81 $ 9.48

Nederland 2010 Submarine, Led-verlichting MNH (6794)

$ 4.39 $ 2.63

Nederland 2010 Willem Kollf, VacuVin MNH (6795)

$ 4.39 $ 2.63

Ascension 160-163,163a,MNH. Ernest Shackleton,Antarctic Explorer,1972.Map,Ships.

$ 7.43 $ 4.46

RM191 1979 ROMANIA CONGRESS PETROLEUM OIL INDUSTRY #3589 MICHEL 9 EURO 10ST MNH

$ 0.88 $ 0.52

Uruguay Geology Mineralogy Adat 1971 stamp MLH

$ 3.51 $ 2.1

Kenya 1996 MNH 4v , Eye Camps, Lions Club, Ambulance, Wheelchair, Medicine, Sun

$ 3.74 $ 2.24

KUWAIT 1987 World Health Day Medicine set 3 Large Margin IMPERF Proofs VF MNH.

$ 110 $ 66

mathematics hourglass x2 maximum card Italy 2006

$ 3.52 $ 2.11

˳˳ ҉ ˳˳C2079-2092 Japan Commemorative Japan-US Digital TV 2010-11 3 complete

$ 1.31 $ 0.78

RM178 1981 ROMANIA NATIONAL FESTIVAL INDUSTRY #3803-06 MICHEL 24 EURO 10SET MNH

$ 2.64 $ 1.58

GOLDEN LADY'S SLIPPER FLOWER 2017 SUPERB MNH

$ 1.76 $ 1.05

EC109 TOGO TOGOLAISE MILLENNIUM 1000-2000 20TH CENTURY 1950-1959 1950'S 1SH MNH

$ 2.64 $ 1.58

Physicists & Astronomers: William T. Kelvin & Henry Cavendish s/s MNH #ML1140

$ 2.2 $ 1.32