Country  Catalog Number  Type of Item  Year of Issue  Notes on Content 

Metric system (SI) 

Algeria  Unknown (Mi?)   2017  31st anniv. National Office of Legal Metrology, 1986: SI base units 
Algeria  Unknown folder  Folder

Australia  541 (Mi513)   1973  conversion to metric system: (kg/stonesandpounds) mass, scale 
Australia  542 (Mi514)   conversion to metric system: (°C/°F) temperature, fever 
Australia  543 (Mi515)   conversion to metric system: (cm/feetandinches) length, tape measure 
Australia  544 (Mi516)   conversion to metric system: (mL/fluidounces) volume, drinking glass 
Australia  541544 fdc1  Four stamps and cachet on FDC  conversion to metric system 
Australia  541544 fdc2  Four stamps and cachet (different) on FDC

Bangladesh  212 (Mi177)   1983  metric system: mail scale 
Bangladesh  213 (Mi178)   metric system: weights, measures 
Brazil  940 (Mi1018)   1962  100th anniv. introduction of metric system, 1862: millimeter gauge 
Cuba  2173 (Mi2268)   1977  SI (metric system) system: 7 (seven) SI base units, map 
Denmark  1388 (Mi?)   2007  100th anniv. metric system in Denmark 
Finland  750 (Mi1010)   1987  100th anniv. use of metric system, 1887: Xcross section of standard meter bar 
Finland  750 fdc  Stamp and cachet on FDC

France  732 (Mi1024)   1954  metric system introduction in France first: allegory 
France  869 fdc (Mi1182 fdc)  ('FDC') cachet on FDC  1958  "participated in the establishment of the metric system" (in French text) 
France  1435 (Mi1921)   1975  100th anniv. International Metre Convention, 1875: document, krypton atom, waves 
France  1435 fdc1  Stamp and cancel and cachet on FDC

France  1435 fdc2  Stamp and cancel (same) and cachet (different) on FDC

France  1435 sc  Souvenir card

Ghana  570 (Mi630)   1976  introduction of metric system, 197509: liter, water 
Ghana  571 (Mi631)   introduction of metric system, 197509: kilogram, jam 
Ghana  572 (Mi632)   introduction of metric system, 197509: meter, cloth 
Ghana  573 (Mi633)   introduction of metric system, 197509: (°C) fever thermometer, ice, boiling tea kettle 
Guinea Republic  BL1696  In (upperright) margin of SS1  2009  "SI system of units"; also Blaise Pascal 
Guyana  437a (Mi726)  From MS6 (437 (af)) (BL11)  1982  conversion to metric system, 19820102: tape measure, truck 
Guyana  437b (Mi727)  conversion to metric system, 19820102: juggler, unit symbols (°C) 
Guyana  437c (Mi728)  conversion to metric system, 19820102: man, envelope 
Guyana  437d (Mi729)  conversion to metric system, 19820102: woman, baby, scale 
Guyana  437e (Mi730)  conversion to metric system, 19820102: Canje bridge (530 m long) 
Guyana  437f (Mi731)  conversion to metric system, 19820102: liter bucket 
Guyana  557a (Mi870)  From MS6 (557 (af)), 437 (af) overprinted (BL12)  1982  conversion to metric system, 19820102: tape measure, truck 
Guyana  557b (Mi871)  conversion to metric system, 19820102: juggler, unit symbols (°C) 
Guyana  557c (Mi872)  conversion to metric system, 19820102: man, envelope 
Guyana  557d (Mi873)  conversion to metric system, 19820102: woman, baby, scale 
Guyana  557e (Mi874)  conversion to metric system, 19820102: Canje bridge (530 m long) 
Guyana  557f (Mi875)  conversion to metric system, 19820102: liter bucket 
Hungary  2418 (Mi3115)   1976  100th anniv. introduction of metric system, 1876: Xcross section standard meter bar, meter act 
Hungary  2419 (Mi3116)   100th anniv. introduction of metric system, 1876: standard kilogram cylinder 
Hungary  2420 (Mi3117)   100th anniv. introduction of metric system, 1876: interferometer, rocket 
Italy  1809 (Mi2147)   1990  55th anniv. metric system in Italy, 1935: MKS, Giovanni Giorgi 
Japan  673 (Mi705)   1959  adoption of metric system: measuring glass, tape measure, scales 
Japan  673 fdc1  Stamp and cancel and (Watanabe) cachet on FDC, also insert

Japan  673 fdc2  Stamp and cancel (same) and (Watanabe) cachet (different) on FDC

Japan  673 fdc3  Stamp and cancel (same) and (Watanabe) cachet (different) on FDC

Japan  673 fdc4  Stamp and cancel (same) and cachet (different) on FDC (post card)

Japan  673 fdc5  Stamp and cancel (same) and cachet (different) on FDC

Japan  673 fdc6  Stamp and cancel (same) and cachet (different) on FDC

Kenya, Uganda, and Tanzania  225 (Mi213)   1971  conversion to metric system: kilogram/pounds, pan balance 
Kenya, Uganda, and Tanzania  226 (Mi214)   conversion to metric system: two (°C/°F) thermometers 
Kenya, Uganda, and Tanzania  227 (Mi215)   conversion to metric system: liters, petrol 
Kenya, Uganda, and Tanzania  228 (Mi216)   conversion to metric system: kilometers, surveyors 
Kenya, Uganda, and Tanzania  225228 fdc1  Four stamps and cachet on FDC  conversion to metric system 
Kenya, Uganda, and Tanzania  225228 fdc2  Four stamps and cachet (same) on FDC (different cancel)

Korea (South)  428 (Mi416)   1964  introduction of metric system: metric symbols ("kg" incorrectly given as "Kg") 
Mexico  C241 (Mi1077)   1957  100th anniv. adoption of metric system, 1857: measures, globe 
Mexico  Unknown (Mi?)   2015  125th anniv. metric system in Mexico, 1890: measures, globe 
New Zealand  594 (Mi677)   1976  metric conversion, 1976: symbolic measures: weight, length, temperature (unscaled) thermometer 
Nigeria  394 (Mi377)   1980  World Standards Day: kilogram scale, centimeter ruler, emblem 
Pakistan  364 (Mi367)   1974  introduction of metric system: metric measures 
Poland  None  Postal card  1979  60th anniv. Measurement Service, 1919: standards, SI units 
Romania  1873 (Mi2533)   1966  100th anniv. introduction of metric system, 1866: derivation meter 
Romania  1874 (Mi2534)   100th anniv. introduction of metric system, 1866: metric symbols 
Singapore  316 (Mi322)   1979  introduction of metric system: distance, kilometer 
Singapore  317 (Mi323)   introduction of metric system: tape measure, centimeter 
Singapore  318 (Mi324)   introduction of metric system: scale, kilogram 
Singapore  316318 fdc  Three stamps and cachet on FDC  introduction of metric system 
South Africa  497 (Mi534)   1977  introduction of metric system: world map, "M": 10th anniv. Metric Advisory Board, 1967 
South Africa  497 fdc  Stamp and cancel and cachet on FDC

Tonga  449 (Mi?)   1975  introduction of metric system: decade of progress 
United States  None  (MSFC Station) cancel on cover (Colorano silk cachet)  1985  USMANASA Metric Conference, Huntsville AL 
United States  None  (MSFC Station) cancel (same) on cover (USMA/MSFC cachet)  1985  USMANASA Metric Conference, Huntsville AL 
United States  None  (MSFC Station) cancel (same) on cover (red and blue printed cachet)  1985  USMANASA Metric Conference, Huntsville AL 
Yugoslavia  1180 (Mi1538)   1974  100th anniv. introduction of metric system, 1874: measure 
100th Anniversary of the International Metre Convention (1875 — 1975) 

Bulgaria  2236 (Mi2381)   1975  100th anniv. International Metre Convention, 1875: standard kilogram cylinder, Xcross section standard meter bar 
Bulgaria  2236 fdc  Stamp and cancel and cachet on FDC

Indonesia  941 (Mi809)   1975  100th anniv. International Metre Convention, 1875: Xcross section standard meter bar, standard kilogram cylinder, globe 
Indonesia  941 fdc  Stamp and cancel and cachet on FDC

Korea (South)  975 (Mi979)   1975  100th anniv. International Metre Convention, 1875: metric symbols 
Netherlands  531 (Mi1056)   1975  100th anniv. International Metre Convention, 1875: symbolic scale 
Norway  655 (Mi704)   1975  100th anniv. International Metre Convention, 1875: Ole Jacob Broch 
Romania  2547 (Mi3263)   1975  100th anniv. International Metre Convention, 1875: emblem 
Romania  2547 fdc  Stamp and cancel and cachet on FDC

Russia (USSR)  4304 (Mi4337)   1975  100th anniv. International Metre Convention, 1875: metric symbols 
Russia (USSR)  4304 cover (Mi4337 cover)  Stamp and cancel and cachet on cover  1975  100th anniv. International Metre Convention, 20 May 1875 
Surinam  421 (Mi695)   1975  100th anniv. International Metre Convention, 1875: symbolic design 
Surinam  422 (Mi696) 

Surinam  423 (Mi697) 

Sweden  1121 (Mi903)   1975  100th anniv. International Metre Convention, 1875: tape measure 
Sweden  11211123 fdc1  One of three stamps and cachet on FDC, also insert

Sweden  11211123 fdc2  One of three stamps on FDC (different), also insert (same)

Switzerland  599 (Mi1046)   1975  100th anniv. International Metre Convention, 1875: Xcross section standard meter bar, krypton spectrum 
Switzerland  599 fdc  Stamp and cachet on FDC

Switzerland  599602 fdc  One of four stamps on FDC
