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postal history optic telegraph FDC 1996 Spain 79856

$ 1.75 $ 1.05

2021 Jordan Post MS on Jordan is united to confront the pandemic - MNH

$ 15.83 $ 9.49

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

$ 0.39 $ 0.23

2020 Egypt Mint Stamp on Salute to Medical & Health Workers - MNH

$ 11.88 $ 7.12

2020 India Special Cover on #Protect Your Mental Health w/ Silver cancellation

$ 15.83 $ 9.49

Dubai Crude Oil Petroleum Underwater Tank Construction stamp 1969 A-24

$ 4.39 $ 2.63

Dubai Crude Oil Petroleum Underwater Tank stamp 1969 A-24

$ 4.39 $ 2.63

VINTAGE CLASSICS - Sierra Leone - 591-4 Communications Year - Set Of 4 - MNH

$ 0.78 $ 0.46

VINTAGE CLASSICS - MALDIVES SC# 631 - 100th Ann of Telephone S/S - MNH

$ 0.78 $ 0.46

# 8X GUINEA - MNH - MEDICINE - SCIENCE - FAMOUS PEOPLE

$ 0 $ 0

UAE 2013 MNH MS, World Energy Forum for Leaders

$ 7.03 $ 4.21

/ 8X GUINEA - MNH - MEDICINE - FAMOUS PEOPLE - SCIENCE - WHOLESALE

$ 0 $ 0

Scientists Agronomist Ding Ying, China 1990 MNH

$ 1.36 $ 0.81

Sierra Leone 2000 MNH, History 1632 Galileo Proves The Earth Revolves around

$ 1.76 $ 1.05

Mozambique 2011 MNH, Steve Jobs, American business magnate

$ 2.24 $ 1.34

Togo 2000 MNH, Tuned Bells found in Tomb 5th Century - China, Music

$ 1.75 $ 1.05

Philippine Stamps 2020 Frontline Heroes Set & souvenir sheet, C

$ 6.38 $ 3.82

Bulgaria 1989 MNH Imperf SS, Telecommunication, Printer

$ 3.3 $ 1.97

space astronomy Halley's comet FDC 1986 Australia 94257

$ 1.84 $ 1.1

VINTAGE CLASSICS - MALDIVES SC# 631 - 100th Ann of Telephone IMPERF S/S - MNH

$ 1.66 $ 0.99

S831. Caribbean - MNH - Science - Space - Medicine

$ 0.87 $ 0.52

HEDY LAMARR HOLLYWOOD STAR & INVENTOR CNR BLOCK OF 4 MNH

$ 14.03 $ 8.42

2020 Portugal Unusual MS Sheet on "A time for hope to fight the pandemic" - MNH

$ 13.06 $ 7.84

Romania 1999 MNH, Nobel winner Ernst Ruska, Inventor of Electron Microscope

$ 2.2 $ 1.32

Grenada 1978 MNH, Nobel Chemistry prize winner carl Bosch

$ 1.36 $ 0.81

2021 Philippines Stamp on Valentine's Day during pandemic, masks & emoticons

$ 14.65 $ 8.79

Germany 1998 MNH, Nobel winner Max Planck Society, X-ray picture of the Moon

$ 1.36 $ 0.81

2021 Andorra Stamp on "Tribute to everyone's efforts in fighting the pandemic"

$ 7.92 $ 4.75

Brian Schmidr Nobel Physics winner, Mozambique 2011 MNH

$ 2.24 $ 1.34

Palau - 2000 - Science & Medicine - Sheet of Five - MNH

$ 3.52 $ 2.11

Einstein Nobel Physics Winner, Father of Atomic age, Uganda 1987 MNH

$ 2.24 $ 1.34

Sky Lab Stamp

$ 4.39 $ 2.63

UNO Vienna 1991 MNH 2v, Banning of Chemical Weapons, Skull -

$ 3.3 $ 1.97

GHANA SCOTT# 128-131 MNH WHO (WORLD HEALTH ORGANIZATION) ANTI MALARIA

$ 1.75 $ 1.05

Thailand 1045-1046, MNH. World Communication Year. Equipment, 1983

$ 1.18 $ 0.71

Mozambique 2011 MNH, Steve Jobs, Computers, Science

$ 2.24 $ 1.34

2021 Moldova First Day Cover on "Thanks to healthcare heroes in fighting virus"

$ 7.52 $ 4.51

2020 Spain ATM Adhesive Stamp "Madrid Chamartin" Saluting Heroes Tarifa A - MNH

$ 5.94 $ 3.56

Sharjah 1965 Science Transport Telecommunications Souvenir Sheet MNH (SC# 96a)

$ 1.75 $ 1.05

2020 India MS on Salute to Health Warriors,Transport & Postal Services - MNH

$ 5.94 $ 3.56

2020 Serbia FDC on "Joy of Europe" Visual Arts on Global Pandemic - MNH

$ 15.83 $ 9.49

Suriname 1976 Centenary 1st Telephone call MNH (SC# 452-453)

$ 0.87 $ 0.52

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

$ 2.99 $ 1.79

Mexico C406 block/4,MNH.Michel 1379. Atomic Energy Commission Conference,1972.

$ 1.45 $ 0.87

Israel 1783-1785 tabs, MNH. Virtual Communications. USB flash drive, 2009

$ 5.67 $ 3.4

New Zealand B52a-B53a,hinged.Mi 371X-372X klb. Health.1957:Life-saving team.

$ 8.44 $ 5.06

New Zealand B52a-B53a,MNH.Michel 371X-372X klb. Health.1957:Life-saving team.

$ 10.95 $ 6.57

China 2020 Postal Stationery Pre-Stamped Envelope on Fight the Virus, Cancelled

$ 15.83 $ 9.49

Spanish Sahara Petroleum Oil Exploration and Tribal Man on Cemal stamp 1963 MLH

$ 5.27 $ 3.16

Rwanda 1984 World Communications Year Set MNH (SC# 1175-1182)

$ 1.75 $ 1.05

Cambodia 101-105,105a sheet,MNH.Michel 132-136,Bl.22. Foreign Aid 1961.

$ 8.44 $ 5.06

Guinea - 2020 UK First for Vaccine - 2 Stamp Souvenir Sheet GU200354b

$ 10.38 $ 6.23

British Antarctic Territory 125-128, MNH. Naturalists, endangered species, 1985

$ 5.94 $ 3.56

Netherlands B626-B628, MNH.Industries.Steam pumping station,Water tower, 1987

$ 2.33 $ 1.39

Hong Kong 351-353, MNH. Industries: Electronics, Toy, Garment, 1979

$ 1.89 $ 1.13

Russia 2196, MNH. Alexander von Humboldt, German naturalist and geographer, 1959

$ 1.1 $ 0.66

SUTLIFF & CASE CO., Inc ,-Cover PEORIA 1 ILL. U.S. 50s

$ 1.76 $ 1.05

Malaria Eradication mosquito Insect disease Pesticide Commercial cover Middle ea

$ 7.91 $ 4.74

2021 Ukraine. FDC- 35 years of the Chernobyl disaster. Looking to the future.

$ 2.19 $ 1.31

CHEMISTRY-PHYSICS-SCIENCE: 46 diff.stamps (40 MNH+8 Mint+Sheet) /ca.1957-1980

$ 5.05 $ 3.03

computer maximum card stamp day 1990

$ 0.87 $ 0.52

[P5643] Paraguay 1965 Communication good set of stamps VF MNH

$ 0.87 $ 0.52

Denmark B68,MNH.Michel 863. Danish Arthritis Association,50th Ann.1986.

$ 1.71 $ 1.02

Cambodia 105a,MNH.Michel Bl.22. Foreign Aid 1961.Power station,Hospital,Airport,

$ 6.02 $ 3.61

BAT 68-70,MNH. Reign of QE II-25,1977.Prince Philip in Antarctica.Iceberg,Ship.

$ 2.68 $ 1.61

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

$ 2.99 $ 1.79

Mexico 1438 three stamps, MNH. Mi 1984. National Geology Institute, 100, 1986.

$ 0.92 $ 0.55

NM 12X CONGO 1963 - MNH - TECHNOLOGY - NATURE - ARCHITECTURE - FULL SHEETS

$ 0 $ 0

/ 10X ROMANIA - MNH - SPACE - SPACESHIPS - SCIENCE - FAMOUS PEOPLE - 1989

$ 0 $ 0

[I572] Afars Issas 1973 airmail good set of stamps very fine MNH

$ 3.96 $ 2.37

// ROMANIA - MNH - BUILDING - TRANSPORT - CARS - 2009

$ 0 $ 0

/ 8X GUINEA - MNH - MEDICINE - SCIENCE - WHOLESALE

$ 0 $ 0

2020 Tunisia Beautiful Single Stamp on "The Fight against the virus" - MNH

$ 6.73 $ 4.03

2019 India Special Cover on "Purple Day" Epilepsy Foundation - Limited Edition

$ 6.73 $ 4.03

2021 Liechtenstein Souvenir Se-Tenant Sheet on "Danke, Everyday Heroes" - MNH

$ 23.75 $ 14.25

Russia 3189-3191A, MNH. Michel 3201-3203,3291. Soviet Scientists, 1966. Fersman,

$ 2.24 $ 1.34

2020 Philippines Single Stamp on Christmas in pandemic, family wearing mask MNH

$ 8.71 $ 5.22

# 10X ROMANIA - MNH - FAMOUS PEOPLE - SCIENCE - 1989 - SPACESHIPS

$ 0 $ 0

# BURUNDI - R-FDC - SPACE - SPACESHIPS - TELEPHONE - ITU

$ 0 $ 0

2021 Egypt Stamp on "World Post Day"& postal workers wearing mask - MNH

$ 9.5 $ 5.7

/// ROMANIA - MNH - SCIENCE - FAMOUS PEOPLE - NOSTRADAMUS - 2003

$ 0 $ 0

Egypt B17, MNH. Mi UAR 1. Afro-Asian Conference of Ophthalmology, Cairo, 1958.

$ 1.1 $ 0.66

Hungary Underground Coal Mining team stamp 1958 MLH

$ 4.39 $ 2.63

computer data processing 1983 FDC Italy 87444

$ 1.75 $ 1.05

DDR 1978 MNH, J F Liebig, Agricultural & Biological Organic chemistry

$ 1.75 $ 1.05

Guinea Bissau 2007 MNH, Jacques Yves, developed Aqua-Lung, pioneered marine

$ 2.2 $ 1.32

2006 MNH 1v, Biotechnology, Science

$ 1.36 $ 0.81

India 2016 MNH Blk of 4, Yoga, Surya Namaskar, Health, Colour Guide

$ 1.75 $ 1.05

Palau - 2000 - Science and Medicine - Souvenir Sheet - MNH

$ 3.52 $ 2.11

Sheet Stamps Togolaise Millennium 2000 BC Tech & Science of Ancient China 1999

$ 3.52 $ 2.11

POLAND OFFICIAL BLACK PRINT 1958 RARE !! MARIE CURIE NOBEL PRIZE PHYICS /m1901

$ 5.67 $ 3.4

Communication, Telecom, India 2017 MNH Rt Lo Corner Blk

$ 2.24 $ 1.34

Sao Tome 2008 MNH Imperf, Ivan Kulibin, Russian mechanic, Invented Elevator

$ 3.74 $ 2.24

radio Bonaire FDC 1970 Netherlands Antilles 87071

$ 1.75 $ 1.05

VINTAGE CLASSICS - Sierra Leone - 591-4 Communications Year - Set Of 4 - MNH

$ 0.78 $ 0.46

Swerige Underground Coal Mining stamp 1985

$ 3.51 $ 2.1

FINLAND SCIENCE HOLOGRAM S/S 2000 MNH TRIANGLE SHAPE HOLOGRAPHIC STAMPS PLANET

$ 3.07 $ 1.84

Maldives 1988 MNH, Scientists, Galileo, Science

$ 2.63 $ 1.57

Uganda 1976 - TELECOMMUNICATIONS OF EAST AFRICA - Set of 4 - MNH

$ 3.65 $ 2.19

/// 10X MONACO - MNH - EUROPA CEPT 1988 - COMMUNICATIONS - SPACE - TRAINS

$ 0 $ 0